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72420374510151 = 31927137091264037
BaseRepresentation
bin10000011101110110101110…
…101100100111101001000111
3100111102022122102021100100120
4100131312232230213221013
533443013411333311101
6414005243305113023
721153125251355253
oct2035665654475107
9314368572240316
1072420374510151
1121091343463348
128157678a88773
13315429aa3c475
1413c524440b263
15858c47e63b36
hex41ddaeb27a47

72420374510151 has 32 divisors (see below), whose sum is σ = 102045282124800. Its totient is φ = 45558082143360.

The previous prime is 72420374510041. The next prime is 72420374510179. The reversal of 72420374510151 is 15101547302427.

It is not a de Polignac number, because 72420374510151 - 211 = 72420374508103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72420374510551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56660905 + ... + 57924941.

It is an arithmetic number, because the mean of its divisors is an integer number (3188915066400).

Almost surely, 272420374510151 is an apocalyptic number.

72420374510151 is a deficient number, since it is larger than the sum of its proper divisors (29624907614649).

72420374510151 is a wasteful number, since it uses less digits than its factorization.

72420374510151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268039.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 72420374510151 in words is "seventy-two trillion, four hundred twenty billion, three hundred seventy-four million, five hundred ten thousand, one hundred fifty-one".

Divisors: 1 3 19 57 271 813 3709 5149 11127 15447 70471 211413 1005139 1264037 3015417 3792111 19097641 24016703 57292923 72050109 342554027 1027662081 4688313233 6508526513 14064939699 19525579539 89077951427 267233854281 1270532886143 3811598658429 24140124836717 72420374510151