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72055035006 = 2390713240543
BaseRepresentation
bin100001100011011010…
…0001001010001111110
320212222122021000221020
41003012310021101332
52140032042110011
653033541245010
75130406456233
oct1030664112176
9225878230836
1072055035006
1128616209309
1211b6b103766
136a44120ab6
1436b791978a
151d1ac45006
hex10c6d0947e

72055035006 has 16 divisors (see below), whose sum is σ = 144268967424. Its totient is φ = 23991862104.

The previous prime is 72055034983. The next prime is 72055035043. The reversal of 72055035006 is 60053055027.

It is a congruent number.

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, 6614830 + ... + 6625713.

It is an arithmetic number, because the mean of its divisors is an integer number (9016810464).

Almost surely, 272055035006 is an apocalyptic number.

72055035006 is an abundant number, since it is smaller than the sum of its proper divisors (72213932418).

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

72055035006 is a wasteful number, since it uses less digits than its factorization.

72055035006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13241455.

The product of its (nonzero) digits is 31500, while the sum is 33.

The spelling of 72055035006 in words is "seventy-two billion, fifty-five million, thirty-five thousand, six".

Divisors: 1 2 3 6 907 1814 2721 5442 13240543 26481086 39721629 79443258 12009172501 24018345002 36027517503 72055035006