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72412012427605 = 5139182099572161
BaseRepresentation
bin10000011101101110111100…
…010001110011100101010101
3100111101112001122112112120121
4100131232330101303211111
533442344300140140410
6414001341432431541
721152411113005664
oct2035567421634525
9314345048475517
1072412012427605
1121088842268a24
128155b245485b1
1331535674a2726
1413c4a8da0cddb
15858908c949da
hex41dbbc473955

72412012427605 has 16 divisors (see below), whose sum is σ = 87520188168000. Its totient is φ = 57512433807360.

The previous prime is 72412012427597. The next prime is 72412012427609. The reversal of 72412012427605 is 50672421021427.

It is not a de Polignac number, because 72412012427605 - 23 = 72412012427597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72412012427609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126272725 + ... + 126844885.

It is an arithmetic number, because the mean of its divisors is an integer number (5470011760500).

Almost surely, 272412012427605 is an apocalyptic number.

It is an amenable number.

72412012427605 is a deficient number, since it is larger than the sum of its proper divisors (15108175740395).

72412012427605 is a wasteful number, since it uses less digits than its factorization.

72412012427605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754404.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 72412012427605 in words is "seventy-two trillion, four hundred twelve billion, twelve million, four hundred twenty-seven thousand, six hundred five".

Divisors: 1 5 139 695 182099 572161 910495 2860805 25311761 79530379 126558805 397651895 104189945939 520949729695 14482402485521 72412012427605