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8961993395 = 529538913103
BaseRepresentation
bin10000101100010110…
…10010101010110011
3212010120120102202022
420112023102222303
5121323232242040
64041142342055
7435041454425
oct102613225263
925116512668
108961993395
1138898a2313
1218a142a92b
13aca933b94
14610360815
15376bc06b5
hex2162d2ab3

8961993395 has 32 divisors (see below), whose sum is σ = 11463379200. Its totient is φ = 6714932224.

The previous prime is 8961993371. The next prime is 8961993419. The reversal of 8961993395 is 5933991698.

It is an interprime number because it is at equal distance from previous prime (8961993371) and next prime (8961993419).

It is a cyclic number.

It is not a de Polignac number, because 8961993395 - 220 = 8960944819 is a prime.

It is a super-2 number, since 2×89619933952 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 677414 + ... + 690516.

It is an arithmetic number, because the mean of its divisors is an integer number (358230600).

Almost surely, 28961993395 is an apocalyptic number.

8961993395 is a deficient number, since it is larger than the sum of its proper divisors (2501385805).

8961993395 is a wasteful number, since it uses less digits than its factorization.

8961993395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13279.

The product of its digits is 14171760, while the sum is 62.

The square root of 8961993395 is about 94667.8054831736. The cubic root of 8961993395 is about 2077.1516574708.

The spelling of 8961993395 in words is "eight billion, nine hundred sixty-one million, nine hundred ninety-three thousand, three hundred ninety-five".

Divisors: 1 5 29 53 89 145 265 445 1537 2581 4717 7685 12905 13103 23585 65515 136793 379987 683965 694459 1166167 1899935 3472295 5830835 20139311 33818843 61806851 100696555 169094215 309034255 1792398679 8961993395