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1330331313312 = 253217503953923
BaseRepresentation
bin10011010110111101111…
…011001110010010100000
311201011211002001211000200
4103112331323032102200
5133244004304011222
62455051252545200
7165053564405301
oct23267573162240
94634732054020
101330331313312
11473210387881
121959b1322200
13985b0002001
14485619d87a8
1524911b95eac
hex135bdece4a0

1330331313312 has 144 divisors (see below), whose sum is σ = 4006535944320. Its totient is φ = 417268279296.

The previous prime is 1330331313271. The next prime is 1330331313359. The reversal of 1330331313312 is 2133131330331.

1330331313312 is a `hidden beast` number, since 1 + 3 + 3 + 0 + 3 + 31 + 313 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24643983 + ... + 24697905.

It is an arithmetic number, because the mean of its divisors is an integer number (27823166280).

Almost surely, 21330331313312 is an apocalyptic number.

1330331313312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330331313312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2003267972160).

1330331313312 is an abundant number, since it is smaller than the sum of its proper divisors (2676204631008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1330331313312 is a wasteful number, since it uses less digits than its factorization.

1330331313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58995 (or 58984 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

Adding to 1330331313312 its reverse (2133131330331), we get a palindrome (3463462643643).

The spelling of 1330331313312 in words is "one trillion, three hundred thirty billion, three hundred thirty-one million, three hundred thirteen thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 272 288 306 408 544 612 816 1224 1632 2448 4896 5039 10078 15117 20156 30234 40312 45351 53923 60468 80624 85663 90702 107846 120936 161248 161769 171326 181404 215692 241872 256989 323538 342652 362808 431384 483744 485307 513978 647076 685304 725616 770967 862768 916691 970614 1027956 1294152 1370608 1451232 1541934 1725536 1833382 1941228 2055912 2588304 2741216 2750073 3083868 3666764 3882456 4111824 5176608 5500146 6167736 7333528 7764912 8223648 8250219 11000292 12335472 14667056 15529824 16500438 22000584 24670944 29334112 33000876 44001168 66001752 88002336 132003504 264007008 271717997 543435994 815153991 1086871988 1630307982 2173743976 2445461973 3260615964 4347487952 4619205949 4890923946 6521231928 8694975904 9238411898 9781847892 13042463856 13857617847 18476823796 19563695784 26084927712 27715235694 36953647592 39127391568 41572853541 55430471388 73907295184 78254783136 83145707082 110860942776 147814590368 166291414164 221721885552 332582828328 443443771104 665165656656 1330331313312