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12916577090 = 252944539921
BaseRepresentation
bin11000000011110001…
…10101001101000010
31020100011211002202002
430001320311031002
5202423120431330
65533411024002
7635041044104
oct140170651502
936304732662
1012916577090
1155290865aa
12260589b002
1312ab013631
148a7651574
15508e73e45
hex301e35342

12916577090 has 16 divisors (see below), whose sum is σ = 24051557880. Its totient is φ = 4988471040.

The previous prime is 12916577081. The next prime is 12916577129. The reversal of 12916577090 is 9077561921.

It can be written as a sum of positive squares in 4 ways, for example, as 9403762729 + 3512814361 = 96973^2 + 59269^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22269671 + ... + 22270250.

Almost surely, 212916577090 is an apocalyptic number.

12916577090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12916577090 is a deficient number, since it is larger than the sum of its proper divisors (11134980790).

12916577090 is a wasteful number, since it uses less digits than its factorization.

12916577090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44539957.

The product of its (nonzero) digits is 238140, while the sum is 47.

The spelling of 12916577090 in words is "twelve billion, nine hundred sixteen million, five hundred seventy-seven thousand, ninety".

Divisors: 1 2 5 10 29 58 145 290 44539921 89079842 222699605 445399210 1291657709 2583315418 6458288545 12916577090