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13451498739840 = 273571019909461
BaseRepresentation
bin1100001110111110101111…
…0011011101100010000000
31202121221200002000221110010
43003233223303131202000
53230342132134133330
644335311101304520
72555560451514150
oct303575363354200
952557602027403
1013451498739840
1143168263a4607
121612ba7865140
13767617706c85
143470ad9b0760
15184d872c13b0
hexc3bebcdd880

13451498739840 has 256 divisors, whose sum is σ = 49487060471040. Its totient is φ = 3044186112000.

The previous prime is 13451498739839. The next prime is 13451498739863. The reversal of 13451498739840 is 4893789415431.

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 31 ways as a sum of consecutive naturals, for example, 3597291 + ... + 6312170.

It is an arithmetic number, because the mean of its divisors is an integer number (193308829965).

Almost surely, 213451498739840 is an apocalyptic number.

13451498739840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13451498739840 is an abundant number, since it is smaller than the sum of its proper divisors (36035561731200).

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

13451498739840 is a wasteful number, since it uses less digits than its factorization.

13451498739840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9909591 (or 9909579 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 66.

The spelling of 13451498739840 in words is "thirteen trillion, four hundred fifty-one billion, four hundred ninety-eight million, seven hundred thirty-nine thousand, eight hundred forty".