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72061492393 = 1159111034657
BaseRepresentation
bin100001100011100110…
…0110001110010101001
320220000002102002210201
41003013030301302221
52140040220224033
653034331512201
75130515402362
oct1030714616251
9226002362721
1072061492393
11286199198a0
1211b712b8661
136a45572037
1436b871ab69
151d1b5bd47d
hex10c7331ca9

72061492393 has 8 divisors (see below), whose sum is σ = 79944953760. Its totient is φ = 64400100480.

The previous prime is 72061492379. The next prime is 72061492397. The reversal of 72061492393 is 39329416027.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72061492393 - 25 = 72061492361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72061492397) by changing a digit.

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, 55516680 + ... + 55517977.

It is an arithmetic number, because the mean of its divisors is an integer number (9993119220).

Almost surely, 272061492393 is an apocalyptic number.

It is an amenable number.

72061492393 is a deficient number, since it is larger than the sum of its proper divisors (7883461367).

72061492393 is a wasteful number, since it uses less digits than its factorization.

72061492393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111034727.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 72061492393 in words is "seventy-two billion, sixty-one million, four hundred ninety-two thousand, three hundred ninety-three".

Divisors: 1 11 59 649 111034657 1221381227 6551044763 72061492393