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72948832385 = 51113831279679
BaseRepresentation
bin100001111110000010…
…1101101100010000001
320222021221002122102212
41003330011231202001
52143344400114020
653302350351505
75161511562422
oct1037405554201
9228257078385
1072948832385
1128a34794530
121217a4bb595
136b573551a0
1437604dd649
151d6e448cc5
hex10fc16d881

72948832385 has 64 divisors (see below), whose sum is σ = 104911994880. Its totient is φ = 47996686080.

The previous prime is 72948832357. The next prime is 72948832393. The reversal of 72948832385 is 58323884927.

It is not a de Polignac number, because 72948832385 - 212 = 72948828289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7531976 + ... + 7541654.

It is an arithmetic number, because the mean of its divisors is an integer number (1639249920).

Almost surely, 272948832385 is an apocalyptic number.

It is an amenable number.

72948832385 is a deficient number, since it is larger than the sum of its proper divisors (31963162495).

72948832385 is a wasteful number, since it uses less digits than its factorization.

72948832385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9918.

The product of its digits is 23224320, while the sum is 59.

The spelling of 72948832385 in words is "seventy-two billion, nine hundred forty-eight million, eight hundred thirty-two thousand, three hundred eighty-five".

Divisors: 1 5 11 13 55 65 83 127 143 415 635 715 913 1079 1397 1651 4565 5395 6985 8255 9679 10541 11869 18161 48395 52705 59345 90805 106469 115951 125827 137033 532345 579755 629135 685165 803357 1229233 1384097 1507363 4016785 6146165 6920485 7536815 8836927 10443641 13521563 15980029 44184635 52218205 67607815 79900145 102026339 114880051 175780319 510131695 574400255 878901595 1122289729 1326342407 5611448645 6631712035 14589766477 72948832385