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71672005130 = 25111036325861
BaseRepresentation
bin100001010111111111…
…1000000001000001010
320211222221112002201112
41002233333000020022
52133241013131010
652531535450322
75115045664115
oct1025777001012
9224887462645
1071672005130
1128439a842a0
1211a829869a2
1369b29717bb
14367cad157c
151ce72d4a05
hex10affc020a

71672005130 has 32 divisors (see below), whose sum is σ = 142104163968. Its totient is φ = 25809508800.

The previous prime is 71672005129. The next prime is 71672005157. The reversal of 71672005130 is 3150027617.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3151601 + ... + 3174260.

It is an arithmetic number, because the mean of its divisors is an integer number (4440755124).

Almost surely, 271672005130 is an apocalyptic number.

71672005130 is a deficient number, since it is larger than the sum of its proper divisors (70432158838).

71672005130 is a wasteful number, since it uses less digits than its factorization.

71672005130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325982.

The product of its (nonzero) digits is 8820, while the sum is 32.

The spelling of 71672005130 in words is "seventy-one billion, six hundred seventy-two million, five thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 103 110 206 515 1030 1133 2266 5665 11330 6325861 12651722 31629305 63258610 69584471 139168942 347922355 651563683 695844710 1303127366 3257818415 6515636830 7167200513 14334401026 35836002565 71672005130