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16008764473 = 13297976561
BaseRepresentation
bin11101110100011001…
…00101110000111001
31112022200022111101201
432322030211300321
5230241220430343
611204311214201
71104466152502
oct167214456071
945280274351
1016008764473
116875591769
123129377361
131681834600
14abc1b3ba9
1563a67794d
hex3ba325c39

16008764473 has 12 divisors (see below), whose sum is σ = 17513662908. Its totient is φ = 14624962560.

The previous prime is 16008764449. The next prime is 16008764483. The reversal of 16008764473 is 37446780061.

It can be written as a sum of positive squares in 6 ways, for example, as 5199419449 + 10809345024 = 72107^2 + 103968^2 .

It is not a de Polignac number, because 16008764473 - 29 = 16008763961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16008764483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471888 + ... + 504673.

It is an arithmetic number, because the mean of its divisors is an integer number (1459471909).

Almost surely, 216008764473 is an apocalyptic number.

16008764473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

16008764473 is a deficient number, since it is larger than the sum of its proper divisors (1504898435).

16008764473 is an equidigital number, since it uses as much as digits as its factorization.

16008764473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976684 (or 976671 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 16008764473 in words is "sixteen billion, eight million, seven hundred sixty-four thousand, four hundred seventy-three".

Divisors: 1 13 97 169 1261 16393 976561 12695293 94726417 165038809 1231443421 16008764473