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71403831163 = 71923311032089
BaseRepresentation
bin100001001111111111…
…1111111111101111011
320211022020220110012101
41002133333333331323
52132213340044123
652445155524231
75105311356610
oct1023777777573
9224266813171
1071403831163
1128311668215
1211a08bb9677
13696c237b92
143655244507
151ccd9b0aad
hex109fffff7b

71403831163 has 32 divisors (see below), whose sum is σ = 86387558400. Its totient is φ = 57653254656.

The previous prime is 71403831151. The next prime is 71403831179. The reversal of 71403831163 is 36113830417.

It is a de Polignac number, because none of the positive numbers 2k-71403831163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71403831263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34179823 + ... + 34181911.

It is an arithmetic number, because the mean of its divisors is an integer number (2699611200).

Almost surely, 271403831163 is an apocalyptic number.

71403831163 is a deficient number, since it is larger than the sum of its proper divisors (14983727237).

71403831163 is a wasteful number, since it uses less digits than its factorization.

71403831163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 71403831163 in words is "seventy-one billion, four hundred three million, eight hundred thirty-one thousand, one hundred sixty-three".

Divisors: 1 7 19 133 233 1103 1631 2089 4427 7721 14623 20957 30989 39691 146699 256999 277837 486737 1798993 2304167 3407159 4882981 9248003 16129169 34180867 43779173 64736021 306454211 536870911 3758096377 10200547309 71403831163