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13028978747296 = 252549159731497
BaseRepresentation
bin1011110110011000101110…
…1001100110011110100000
31201010120001221010102022101
42331212023221212132200
53201431322024403141
643413232531420144
72513212145032201
oct275461351463640
951116057112271
1013028978747296
114173616924526
12156512a754654
137368205b1975
1433086a98d5a8
15178da87d2531
hexbd98ba667a0

13028978747296 has 24 divisors (see below), whose sum is σ = 25660865153700. Its totient is φ = 6511933628928.

The previous prime is 13028978747273. The next prime is 13028978747329. The reversal of 13028978747296 is 69274787982031.

It can be written as a sum of positive squares in 2 ways, for example, as 8550828672400 + 4478150074896 = 2924180^2 + 2116164^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79784181 + ... + 79947316.

Almost surely, 213028978747296 is an apocalyptic number.

13028978747296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13028978747296 is a deficient number, since it is larger than the sum of its proper divisors (12631886406404).

13028978747296 is a wasteful number, since it uses less digits than its factorization.

13028978747296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159734056 (or 159734048 counting only the distinct ones).

The product of its (nonzero) digits is 512096256, while the sum is 73.

The spelling of 13028978747296 in words is "thirteen trillion, twenty-eight billion, nine hundred seventy-eight million, seven hundred forty-seven thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 32 2549 5098 10196 20392 40784 81568 159731497 319462994 638925988 1277851976 2555703952 5111407904 407155585853 814311171706 1628622343412 3257244686824 6514489373648 13028978747296