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16003145860 = 2251367391457
BaseRepresentation
bin11101110011101110…
…01010000010000100
31112022021202001002221
432321313022002010
5230233301131420
611203550542124
71104400331632
oct167167120204
945267661087
1016003145860
1168723a4389
123127507944
1316806180a0
14abb550352
15639e17caa
hex3b9dca084

16003145860 has 48 divisors (see below), whose sum is σ = 36245902896. Its totient is φ = 5900009472.

The previous prime is 16003145839. The next prime is 16003145881. The reversal of 16003145860 is 6854130061.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16003145839) and next prime (16003145881).

It can be written as a sum of positive squares in 8 ways, for example, as 3994492804 + 12008653056 = 63202^2 + 109584^2 .

It is a super-2 number, since 2×160031458602 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129252 + ... + 220708.

It is an arithmetic number, because the mean of its divisors is an integer number (755122977).

Almost surely, 216003145860 is an apocalyptic number.

16003145860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16003145860 is an abundant number, since it is smaller than the sum of its proper divisors (20242757036).

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

16003145860 is a wasteful number, since it uses less digits than its factorization.

16003145860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92152 (or 92150 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 16003145860 in words is "sixteen billion, three million, one hundred forty-five thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 673 1346 2692 3365 6730 8749 13460 17498 34996 43745 87490 91457 174980 182914 365828 457285 914570 1188941 1829140 2377882 4755764 5944705 11889410 23778820 61550561 123101122 246202244 307752805 615505610 800157293 1231011220 1600314586 3200629172 4000786465 8001572930 16003145860