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16380137454 = 2329439214439
BaseRepresentation
bin11110100000101010…
…10000111111101110
31120021120010012100120
433100111100333232
5232021303344304
611305215105410
71116625604532
oct172025207756
946246105316
1016380137454
116a4618478a
123211812266
131710761b35
14b15645bc2
1565d0840d9
hex3d0550fee

16380137454 has 32 divisors (see below), whose sum is σ = 33967296000. Its totient is φ = 5259735264.

The previous prime is 16380137437. The next prime is 16380137471. The reversal of 16380137454 is 45473108361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16380137437) and next prime (16380137471).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30834 + ... + 183605.

It is an arithmetic number, because the mean of its divisors is an integer number (1061478000).

Almost surely, 216380137454 is an apocalyptic number.

16380137454 is an abundant number, since it is smaller than the sum of its proper divisors (17587158546).

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

16380137454 is a wasteful number, since it uses less digits than its factorization.

16380137454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214912.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 16380137454 in words is "sixteen billion, three hundred eighty million, one hundred thirty-seven thousand, four hundred fifty-four".

Divisors: 1 2 3 6 29 58 87 174 439 878 1317 2634 12731 25462 38193 76386 214439 428878 643317 1286634 6218731 12437462 18656193 37312386 94138721 188277442 282416163 564832326 2730022909 5460045818 8190068727 16380137454