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72049610842 = 2116748880333
BaseRepresentation
bin100001100011001111…
…1011101000001011010
320212222021001110101021
41003012133131001122
52140024200021332
653033225113054
75130312405316
oct1030637350132
9225867043337
1072049610842
1128613144030
1211b6932878a
136a42c71c31
1436b6d06b46
151d1a522c97
hex10c67dd05a

72049610842 has 16 divisors (see below), whose sum is σ = 119659057632. Its totient is φ = 32261019120.

The previous prime is 72049610819. The next prime is 72049610887. The reversal of 72049610842 is 24801694027.

It is a super-2 number, since 2×720496108422 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24438693 + ... + 24441640.

It is an arithmetic number, because the mean of its divisors is an integer number (7478691102).

Almost surely, 272049610842 is an apocalyptic number.

72049610842 is a deficient number, since it is larger than the sum of its proper divisors (47609446790).

72049610842 is a wasteful number, since it uses less digits than its factorization.

72049610842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48880413.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 72049610842 in words is "seventy-two billion, forty-nine million, six hundred ten thousand, eight hundred forty-two".

Divisors: 1 2 11 22 67 134 737 1474 48880333 97760666 537683663 1075367326 3274982311 6549964622 36024805421 72049610842