Search a number
-
+
23106045645 = 325513467681
BaseRepresentation
bin10101100001001110…
…100100011011001101
32012122022002201212100
4111201032210123031
5334310121430040
614340442425313
71445406101364
oct254116443315
965568081770
1023106045645
1198878400a1
12458a202239
13224303b677
141192a147db
159037aab30
hex5613a46cd

23106045645 has 12 divisors (see below), whose sum is σ = 40050479196. Its totient is φ = 12323224320.

The previous prime is 23106045623. The next prime is 23106045653. The reversal of 23106045645 is 54654060132.

23106045645 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 6 + 0 + 4 + 5 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8556620004 + 14549425641 = 92502^2 + 120621^2 .

It is not a de Polignac number, because 23106045645 - 215 = 23106012877 is a prime.

It is a super-3 number, since 3×231060456453 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256733796 + ... + 256733885.

It is an arithmetic number, because the mean of its divisors is an integer number (3337539933).

Almost surely, 223106045645 is an apocalyptic number.

It is an amenable number.

23106045645 is a deficient number, since it is larger than the sum of its proper divisors (16944433551).

23106045645 is a wasteful number, since it uses less digits than its factorization.

23106045645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513467692 (or 513467689 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 23106045645 in words is "twenty-three billion, one hundred six million, forty-five thousand, six hundred forty-five".

Divisors: 1 3 5 9 15 45 513467681 1540403043 2567338405 4621209129 7702015215 23106045645