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10907086969 = 18125772
BaseRepresentation
bin10100010100001110…
…01111000001111001
31001011010121102112001
422022013033001321
5134314203240334
65002144421001
7534200465242
oct121207170171
931133542461
1010907086969
114697847969
122144917761
13104a8c581c
14756805cc9
1543c839714
hex28a1cf079

10907086969 has 9 divisors (see below), whose sum is σ = 10986721101. Its totient is φ = 10828028160.

The previous prime is 10907086937. The next prime is 10907086973. The reversal of 10907086969 is 96968070901.

The square root of 10907086969 is 104437.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 5221225 + 10901865744 = 2285^2 + 104412^2 .

It is not a de Polignac number, because 10907086969 - 25 = 10907086937 is a prime.

It is a super-2 number, since 2×109070869692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10907086999) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18902809 + ... + 18903385.

It is an arithmetic number, because the mean of its divisors is an integer number (1220746789).

Almost surely, 210907086969 is an apocalyptic number.

10907086969 is the 104437-th square number.

10907086969 is the 52219-th centered octagonal number.

It is an amenable number.

10907086969 is a deficient number, since it is larger than the sum of its proper divisors (79634132).

10907086969 is an frugal number, since it uses more digits than its factorization.

10907086969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 10907086969 in words is "ten billion, nine hundred seven million, eighty-six thousand, nine hundred sixty-nine".

Divisors: 1 181 577 32761 104437 332929 18903097 60260149 10907086969