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10685507161 = 71526501023
BaseRepresentation
bin10011111001110011…
…11110011001011001
31000120200200000011111
421330321332121121
5133340442212121
64524151300321
7525540212050
oct117471763131
930520600144
1010685507161
11459376575a
1220a267a6a1
131013a24004
14735207397
1542816b2e1
hex27ce7e659

10685507161 has 4 divisors (see below), whose sum is σ = 12212008192. Its totient is φ = 9159006132.

The previous prime is 10685507153. The next prime is 10685507227. The reversal of 10685507161 is 16170558601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10685507161 - 23 = 10685507153 is a prime.

It is a super-2 number, since 2×106855071612 (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 (10685507461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763250505 + ... + 763250518.

It is an arithmetic number, because the mean of its divisors is an integer number (3053002048).

Almost surely, 210685507161 is an apocalyptic number.

It is an amenable number.

10685507161 is a deficient number, since it is larger than the sum of its proper divisors (1526501031).

10685507161 is an equidigital number, since it uses as much as digits as its factorization.

10685507161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526501030.

The product of its (nonzero) digits is 50400, while the sum is 40.

The spelling of 10685507161 in words is "ten billion, six hundred eighty-five million, five hundred seven thousand, one hundred sixty-one".

Divisors: 1 7 1526501023 10685507161