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1319110312 = 231343397743
BaseRepresentation
bin100111010100000…
…0000011010101000
310101221010202011111
41032220000122220
510200143012222
6334521040104
744455152442
oct11650003250
93357122144
101319110312
11617670113
12309926034
13180399460
14c7297492
157ac17777
hex4ea006a8

1319110312 has 64 divisors (see below), whose sum is σ = 2736074880. Its totient is φ = 592365312.

The previous prime is 1319110307. The next prime is 1319110333. The reversal of 1319110312 is 2130119131.

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 15 ways as a sum of consecutive naturals, for example, 1775013 + ... + 1775755.

It is an arithmetic number, because the mean of its divisors is an integer number (42751170).

Almost surely, 21319110312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1319110312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1368037440).

1319110312 is an abundant number, since it is smaller than the sum of its proper divisors (1416964568).

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

1319110312 is a wasteful number, since it uses less digits than its factorization.

1319110312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1319110312 is about 36319.5582572255. The cubic root of 1319110312 is about 1096.7148022384.

Adding to 1319110312 its reverse (2130119131), we get a palindrome (3449229443).

The spelling of 1319110312 in words is "one billion, three hundred nineteen million, one hundred ten thousand, three hundred twelve".

Divisors: 1 2 4 8 13 26 43 52 86 104 172 344 397 559 743 794 1118 1486 1588 2236 2972 3176 4472 5161 5944 9659 10322 17071 19318 20644 31949 34142 38636 41288 63898 68284 77272 127796 136568 221923 255592 294971 415337 443846 589942 830674 887692 1179884 1661348 1775384 2359768 3322696 3834623 7669246 12683753 15338492 25367506 30676984 50735012 101470024 164888789 329777578 659555156 1319110312