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72400341544 = 2322733981541
BaseRepresentation
bin100001101101101100…
…1011000101000101000
320220212201000102110021
41003123121120220220
52141233441412134
653132114330224
75142101514646
oct1033331305050
9226781012407
1072400341544
1128783118213
1212046889974
136a9a8228ab
14370b724196
151d3b2030b4
hex10db658a28

72400341544 has 16 divisors (see below), whose sum is σ = 135810397620. Its totient is φ = 36184235520.

The previous prime is 72400341509. The next prime is 72400341569. The reversal of 72400341544 is 44514300427.

It can be written as a sum of positive squares in 2 ways, for example, as 70921016100 + 1479325444 = 266310^2 + 38462^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1972587 + ... + 2008954.

Almost surely, 272400341544 is an apocalyptic number.

It is an amenable number.

72400341544 is a deficient number, since it is larger than the sum of its proper divisors (63410056076).

72400341544 is a wasteful number, since it uses less digits than its factorization.

72400341544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983820 (or 3983816 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The spelling of 72400341544 in words is "seventy-two billion, four hundred million, three hundred forty-one thousand, five hundred forty-four".

Divisors: 1 2 4 8 2273 4546 9092 18184 3981541 7963082 15926164 31852328 9050042693 18100085386 36200170772 72400341544