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947707089161 = 71776110465079
BaseRepresentation
bin11011100101001111011…
…11101001000100001001
310100121012100002022111112
431302213233221010021
5111011401003323121
62003212015540105
7125320031226020
oct15624757510411
93317170068445
10947707089161
11335a13a44008
1213380922a635
136b4a3496651
1433c253b18b7
15199ba95075b
hexdca7be9109

947707089161 has 16 divisors (see below), whose sum is σ = 1148312298240. Its totient is φ = 763532090880.

The previous prime is 947707089151. The next prime is 947707089209. The reversal of 947707089161 is 161980707749.

It is a cyclic number.

It is not a de Polignac number, because 947707089161 - 26 = 947707089097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 947707089161.

It is not an unprimeable number, because it can be changed into a prime (947707089151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5141981 + ... + 5323098.

It is an arithmetic number, because the mean of its divisors is an integer number (71769518640).

Almost surely, 2947707089161 is an apocalyptic number.

It is an amenable number.

947707089161 is a deficient number, since it is larger than the sum of its proper divisors (200605209079).

947707089161 is a wasteful number, since it uses less digits than its factorization.

947707089161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10465864.

The product of its (nonzero) digits is 5334336, while the sum is 59.

The spelling of 947707089161 in words is "nine hundred forty-seven billion, seven hundred seven million, eighty-nine thousand, one hundred sixty-one".

Divisors: 1 7 17 119 761 5327 12937 90559 10465079 73255553 177906343 1245344401 7963925119 55747475833 135386727023 947707089161