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72949512235145 = 57136591579154079
BaseRepresentation
bin10000100101100011100001…
…110000110110100010001001
3100120021220102221020212000212
4100211203201300312202021
534030201100113011040
6415052313203010505
721236266626666320
oct2045434160664211
9316256387225025
1072949512235145
11212757949598a7
128222130069a35
133192156706b20
141402abd33d0b7
158678b6b46d65
hex4258e1c36889

72949512235145 has 64 divisors (see below), whose sum is σ = 107973347328000. Its totient is φ = 46075070958336.

The previous prime is 72949512235111. The next prime is 72949512235189. The reversal of 72949512235145 is 54153221594927.

It is not a de Polignac number, because 72949512235145 - 28 = 72949512234889 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 473378216 + ... + 473532294.

It is an arithmetic number, because the mean of its divisors is an integer number (1687083552000).

Almost surely, 272949512235145 is an apocalyptic number.

It is an amenable number.

72949512235145 is a deficient number, since it is larger than the sum of its proper divisors (35023835092855).

72949512235145 is a wasteful number, since it uses less digits than its factorization.

72949512235145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156342.

The product of its digits is 27216000, while the sum is 59.

The spelling of 72949512235145 in words is "seventy-two trillion, nine hundred forty-nine billion, five hundred twelve million, two hundred thirty-five thousand, one hundred forty-five".

Divisors: 1 5 7 13 35 65 91 455 659 1579 3295 4613 7895 8567 11053 20527 23065 42835 55265 59969 102635 143689 154079 299845 718445 770395 1040561 1078553 2003027 5202805 5392765 7283927 10015135 13527293 14021189 36419635 67636465 70105945 94691051 101538061 243290741 473455255 507690305 710766427 1216453705 1319994793 1703035187 3162779633 3553832135 6599973965 8515175935 9239963551 15813898165 22139457431 46199817755 110697287155 160328598319 801642991595 1122300188233 2084271778147 5611500941165 10421358890735 14589902447029 72949512235145