Search a number
-
+
71140917696 = 263425387121
BaseRepresentation
bin100001001000001010…
…1000100000111000000
320210121221012001201120
41002100111010013000
52131144033331241
652403124432240
75065636552212
oct1022025040700
9223557161646
1071140917696
1128197214462
1211954b48680
136929923794
14362c3665b2
151cb587a666
hex10905441c0

71140917696 has 56 divisors (see below), whose sum is σ = 188273429904. Its totient is φ = 23707791360.

The previous prime is 71140917677. The next prime is 71140917719. The reversal of 71140917696 is 69671904117.

It is a super-2 number, since 2×711409176962 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773016 + ... + 860136.

It is an arithmetic number, because the mean of its divisors is an integer number (3362025534).

Almost surely, 271140917696 is an apocalyptic number.

It is an amenable number.

71140917696 is an abundant number, since it is smaller than the sum of its proper divisors (117132512208).

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

71140917696 is a wasteful number, since it uses less digits than its factorization.

71140917696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91389 (or 91379 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 51.

The spelling of 71140917696 in words is "seventy-one billion, one hundred forty million, nine hundred seventeen thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 4253 8506 12759 17012 25518 34024 51036 68048 87121 102072 136096 174242 204144 261363 272192 348484 408288 522726 696968 816576 1045452 1393936 2090904 2787872 4181808 5575744 8363616 16727232 370525613 741051226 1111576839 1482102452 2223153678 2964204904 4446307356 5928409808 8892614712 11856819616 17785229424 23713639232 35570458848 71140917696