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71949034676 = 22591607189713
BaseRepresentation
bin100001100000001111…
…1110010010010110100
320212201020210122211002
41003000133302102310
52134322423102201
653015233302432
75124651463331
oct1030037622264
9225636718732
1071949034676
1128571399732
1211b3b704a18
136a281890cc
1436a7805988
151d117a776b
hex10c07f24b4

71949034676 has 24 divisors (see below), whose sum is σ = 128125247040. Its totient is φ = 35342586752.

The previous prime is 71949034657. The next prime is 71949034679. The reversal of 71949034676 is 67643094917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71949034679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284396 + ... + 474108.

It is an arithmetic number, because the mean of its divisors is an integer number (5338551960).

Almost surely, 271949034676 is an apocalyptic number.

It is an amenable number.

71949034676 is a deficient number, since it is larger than the sum of its proper divisors (56176212364).

71949034676 is a wasteful number, since it uses less digits than its factorization.

71949034676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191383 (or 191381 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 56.

The spelling of 71949034676 in words is "seventy-one billion, nine hundred forty-nine million, thirty-four thousand, six hundred seventy-six".

Divisors: 1 2 4 59 118 236 1607 3214 6428 94813 189626 189713 379252 379426 758852 11193067 22386134 44772268 304868791 609737582 1219475164 17987258669 35974517338 71949034676