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72060624642 = 2383591143677
BaseRepresentation
bin100001100011100100…
…1011101111100000010
320220000000210000110210
41003013021131330002
52140040004442032
653034301134550
75130505126446
oct1030711357402
9226000700423
1072060624642
1128619386946
1211b70b5a456
136a4532a086
1436b8572826
151d1b49b2cc
hex10c725df02

72060624642 has 16 divisors (see below), whose sum is σ = 144123976512. Its totient is φ = 24019753680.

The previous prime is 72060624619. The next prime is 72060624661. The reversal of 72060624642 is 24642606027.

It is a self number, because there is not a number n which added to its sum of digits gives 72060624642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429708 + ... + 573384.

It is an arithmetic number, because the mean of its divisors is an integer number (9007748532).

Almost surely, 272060624642 is an apocalyptic number.

72060624642 is an abundant number, since it is smaller than the sum of its proper divisors (72063351870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72060624642 is a wasteful number, since it uses less digits than its factorization.

72060624642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227273.

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 72060624642 in words is "seventy-two billion, sixty million, six hundred twenty-four thousand, six hundred forty-two".

Divisors: 1 2 3 6 83591 143677 167182 250773 287354 431031 501546 862062 12010104107 24020208214 36030312321 72060624642