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71542929432 = 23313648135381
BaseRepresentation
bin100001010100001001…
…0100111100000011000
320211122221122101011010
41002220102213200120
52133004442220212
652511045133520
75111620603122
oct1025022474030
9224587571133
1071542929432
1128383133867
1211a476ba2a0
136991cba950
1436698d2212
151cdacda03c
hex10a84a7818

71542929432 has 64 divisors (see below), whose sum is σ = 192650744160. Its totient is φ = 22009190400.

The previous prime is 71542929407. The next prime is 71542929433. The reversal of 71542929432 is 23492924517.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71542929433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2004382 + ... + 2039762.

Almost surely, 271542929432 is an apocalyptic number.

It is an amenable number.

71542929432 is an abundant number, since it is smaller than the sum of its proper divisors (121107814728).

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

71542929432 is a wasteful number, since it uses less digits than its factorization.

71542929432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41884 (or 41880 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 48.

The spelling of 71542929432 in words is "seventy-one billion, five hundred forty-two million, nine hundred twenty-nine thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 6481 12962 19443 25924 35381 38886 51848 70762 77772 84253 106143 141524 155544 168506 212286 252759 283048 337012 424572 459953 505518 674024 849144 919906 1011036 1379859 1839812 2022072 2759718 3679624 5519436 11038872 229304261 458608522 687912783 917217044 1375825566 1834434088 2751651132 2980955393 5503302264 5961910786 8942866179 11923821572 17885732358 23847643144 35771464716 71542929432