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71730494674 = 21531193312119
BaseRepresentation
bin100001011001101111…
…0000111110011010010
320212011000120200021221
41002303132013303102
52133401001312144
652541425235254
75116356100426
oct1026336076322
9225130520257
1071730494674
1128469aa3363
1211a9a492b2a
1369c1b100b7
143686798b86
151cec4d9d84
hex10b3787cd2

71730494674 has 16 divisors (see below), whose sum is σ = 107730607680. Its totient is φ = 35820323280.

The previous prime is 71730494651. The next prime is 71730494687. The reversal of 71730494674 is 47649403717.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5912787 + ... + 5924905.

It is an arithmetic number, because the mean of its divisors is an integer number (6733162980).

Almost surely, 271730494674 is an apocalyptic number.

71730494674 is a deficient number, since it is larger than the sum of its proper divisors (36000113006).

71730494674 is a wasteful number, since it uses less digits than its factorization.

71730494674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15585.

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 71730494674 in words is "seventy-one billion, seven hundred thirty million, four hundred ninety-four thousand, six hundred seventy-four".

Divisors: 1 2 1531 1933 3062 3866 12119 24238 2959423 5918846 18554189 23426027 37108378 46852054 35865247337 71730494674