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16245991255 = 5132945718859
BaseRepresentation
bin11110010000101011…
…00010011101010111
31112221012200212100211
433020111202131113
5231232433210010
611244023550251
71113406434664
oct171025423527
945835625324
1016245991255
11698749075a
1231948bb387
1316bba240a0
14b018c6a6b
156513d708a
hex3c8562757

16245991255 has 32 divisors (see below), whose sum is σ = 21767457600. Its totient is φ = 11557389312.

The previous prime is 16245991243. The next prime is 16245991271. The reversal of 16245991255 is 55219954261.

It is a cyclic number.

It is not a de Polignac number, because 16245991255 - 27 = 16245991127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16245991199 and 16245991208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 852016 + ... + 870874.

It is an arithmetic number, because the mean of its divisors is an integer number (680233050).

Almost surely, 216245991255 is an apocalyptic number.

16245991255 is a deficient number, since it is larger than the sum of its proper divisors (5521466345).

16245991255 is a wasteful number, since it uses less digits than its factorization.

16245991255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19363.

The product of its digits is 972000, while the sum is 49.

The spelling of 16245991255 in words is "sixteen billion, two hundred forty-five million, nine hundred ninety-one thousand, two hundred fifty-five".

Divisors: 1 5 13 29 65 145 377 457 1885 2285 5941 13253 18859 29705 66265 94295 172289 245167 546911 861445 1225835 2734555 7109843 8618563 35549215 43092815 112041319 249938327 560206595 1249691635 3249198251 16245991255