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1300313100 = 2235234712491
BaseRepresentation
bin100110110000001…
…0011010000001100
310100121202202020110
41031200103100030
510130340004400
6333010120020
744136323202
oct11540232014
93317682213
101300313100
11607aa1529
12303580010
13179517648
14c49a3072
1579252e50
hex4d81340c

1300313100 has 72 divisors (see below), whose sum is σ = 3773383488. Its totient is φ = 345723200.

The previous prime is 1300313071. The next prime is 1300313123. The reversal of 1300313100 is 13130031.

It is a super-2 number, since 2×13003131002 = 3381628316063220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97855 + ... + 110345.

It is an arithmetic number, because the mean of its divisors is an integer number (52408104).

Almost surely, 21300313100 is an apocalyptic number.

1300313100 is a gapful number since it is divisible by the number (10) 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 1300313100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1886691744).

1300313100 is an abundant number, since it is smaller than the sum of its proper divisors (2473070388).

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

1300313100 is a wasteful number, since it uses less digits than its factorization.

1300313100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12855 (or 12848 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 1300313100 is about 36059.8544090239. The cubic root of 1300313100 is about 1091.4804952872.

Adding to 1300313100 its reverse (13130031), we get a palindrome (1313443131).

The spelling of 1300313100 in words is "one billion, three hundred million, three hundred thirteen thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 347 694 1041 1388 1735 2082 3470 4164 5205 6940 8675 10410 12491 17350 20820 24982 26025 34700 37473 49964 52050 62455 74946 104100 124910 149892 187365 249820 312275 374730 624550 749460 936825 1249100 1873650 3747300 4334377 8668754 13003131 17337508 21671885 26006262 43343770 52012524 65015655 86687540 108359425 130031310 216718850 260062620 325078275 433437700 650156550 1300313100