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23485149601 = 31237660493
BaseRepresentation
bin10101110111110100…
…101111000110100001
32020121201110012201121
4111313310233012201
5341044144241401
614442224132241
71460661322624
oct256764570641
966551405647
1023485149601
119a61833551
124675167081
1322a3744a34
1411cb0d9dbb
15926be2ca1
hex577d2f1a1

23485149601 has 12 divisors (see below), whose sum is σ = 24923080596. Its totient is φ = 22113272160.

The previous prime is 23485149509. The next prime is 23485149617. The reversal of 23485149601 is 10694158432.

It can be written as a sum of positive squares in 2 ways, for example, as 11577975201 + 11907174400 = 107601^2 + 109120^2 .

It is not a de Polignac number, because 23485149601 - 29 = 23485149089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23485144601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 294690 + ... + 365803.

It is an arithmetic number, because the mean of its divisors is an integer number (2076923383).

Almost surely, 223485149601 is an apocalyptic number.

It is an amenable number.

23485149601 is a deficient number, since it is larger than the sum of its proper divisors (1437930995).

23485149601 is an equidigital number, since it uses as much as digits as its factorization.

23485149601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660592 (or 660561 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 23485149601 in words is "twenty-three billion, four hundred eighty-five million, one hundred forty-nine thousand, six hundred one".

Divisors: 1 31 37 961 1147 35557 660493 20475283 24438241 634733773 757585471 23485149601