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71040627860 = 22519118597023
BaseRepresentation
bin100001000101001011…
…0011111010010010100
320210100221110210221012
41002022112133102110
52130442400042420
652345143111352
75063311242056
oct1021226372224
9223327423835
1071040627860
11281456451a4
1211927442558
136911c0b097
14361ccdb8d6
151cabb69dc5
hex108a59f494

71040627860 has 24 divisors (see below), whose sum is σ = 149966401536. Its totient is φ = 28267473440.

The previous prime is 71040627851. The next prime is 71040627941. The reversal of 71040627860 is 6872604017.

It is a congruent number.

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, 9294692 + ... + 9302331.

It is an arithmetic number, because the mean of its divisors is an integer number (6248600064).

Almost surely, 271040627860 is an apocalyptic number.

It is an amenable number.

71040627860 is an abundant number, since it is smaller than the sum of its proper divisors (78925773676).

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

71040627860 is a wasteful number, since it uses less digits than its factorization.

71040627860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18597223 (or 18597221 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 71040627860 in words is "seventy-one billion, forty million, six hundred twenty-seven thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 191 382 764 955 1910 3820 18597023 37194046 74388092 92985115 185970230 371940460 3552031393 7104062786 14208125572 17760156965 35520313930 71040627860