Search a number
-
+
71072632624 = 2474421143537
BaseRepresentation
bin100001000110001000…
…0100100111100110000
320210110011200211012211
41002030100210330300
52131024043220444
652352245101504
75064150260320
oct1021420447460
9223404624184
1071072632624
1128161714914
12119360b7894
136918735706
14362326d280
151cae88cc34
hex108c424f30

71072632624 has 40 divisors (see below), whose sum is σ = 157411808928. Its totient is φ = 30452597760.

The previous prime is 71072632619. The next prime is 71072632633. The reversal of 71072632624 is 42623627017.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 423384 + ... + 566920.

Almost surely, 271072632624 is an apocalyptic number.

It is an amenable number.

71072632624 is an abundant number, since it is smaller than the sum of its proper divisors (86339176304).

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

71072632624 is a wasteful number, since it uses less digits than its factorization.

71072632624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147973 (or 147967 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 71072632624 in words is "seventy-one billion, seventy-two million, six hundred thirty-two thousand, six hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 4421 8842 17684 30947 35368 61894 70736 123788 143537 247576 287074 495152 574148 1004759 1148296 2009518 2296592 4019036 8038072 16076144 634577077 1269154154 2538308308 4442039539 5076616616 8884079078 10153233232 17768158156 35536316312 71072632624