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16328959031 = 711239988397
BaseRepresentation
bin11110011010100100…
…00010010000110111
31120010222211001202102
433031102002100313
5231420203142111
611300150132315
71115434601360
oct171522022067
946128731672
1016328959031
116a1a2a9670
1231b865109b
131702c83248
14b0c922b67
1565882513b
hex3cd482437

16328959031 has 16 divisors (see below), whose sum is σ = 20366899200. Its totient is φ = 12718416480.

The previous prime is 16328959007. The next prime is 16328959039. The reversal of 16328959031 is 13095982361.

It is not a de Polignac number, because 16328959031 - 210 = 16328958007 is a prime.

It is a super-2 number, since 2×163289590312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16328959039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140525 + ... + 228921.

It is an arithmetic number, because the mean of its divisors is an integer number (1272931200).

Almost surely, 216328959031 is an apocalyptic number.

16328959031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

16328959031 is a deficient number, since it is larger than the sum of its proper divisors (4037940169).

16328959031 is a wasteful number, since it uses less digits than its factorization.

16328959031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90814.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 16328959031 in words is "sixteen billion, three hundred twenty-eight million, nine hundred fifty-nine thousand, thirty-one".

Divisors: 1 7 11 77 2399 16793 26389 88397 184723 618779 972367 6806569 212064403 1484450821 2332708433 16328959031