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13304358738 = 2321126108521
BaseRepresentation
bin11000110010000000…
…00110011101010010
31021100012111110011100
430121000012131102
5204221403434423
610040102325230
7650460116616
oct143100063522
937305443140
1013304358738
115707a66700
1226b3729816
131340467728
14902d55346
1552d022343
hex319006752

13304358738 has 36 divisors (see below), whose sum is σ = 31684903614. Its totient is φ = 4031623200.

The previous prime is 13304358721. The next prime is 13304358787. The reversal of 13304358738 is 83785340331.

13304358738 is a `hidden beast` number, since 1 + 3 + 30 + 4 + 3 + 587 + 38 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12083065929 + 1221292809 = 109923^2 + 34947^2 .

It is a super-2 number, since 2×133043587382 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13304358693 and 13304358702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3052083 + ... + 3056438.

Almost surely, 213304358738 is an apocalyptic number.

13304358738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13304358738 is an abundant number, since it is smaller than the sum of its proper divisors (18380544876).

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

13304358738 is a wasteful number, since it uses less digits than its factorization.

13304358738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6108551 (or 6108537 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 13304358738 in words is "thirteen billion, three hundred four million, three hundred fifty-eight thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 121 198 242 363 726 1089 2178 6108521 12217042 18325563 36651126 54976689 67193731 109953378 134387462 201581193 403162386 604743579 739131041 1209487158 1478262082 2217393123 4434786246 6652179369 13304358738