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23020347250 = 253118177969
BaseRepresentation
bin10101011100000111…
…101001111101110010
32012102022211210202201
4111130013221331302
5334121202103000
614324141533414
71443315503005
oct253407517562
965368753681
1023020347250
11984342767a
12456557426a
13222b364664
1411854a753c
158eaecd96a
hex55c1e9f72

23020347250 has 32 divisors (see below), whose sum is σ = 43131132720. Its totient is φ = 9200224000.

The previous prime is 23020347247. The next prime is 23020347283. The reversal of 23020347250 is 5274302032.

It can be written as a sum of positive squares in 8 ways, for example, as 5264518249 + 17755829001 = 72557^2 + 133251^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256266 + ... + 334234.

Almost surely, 223020347250 is an apocalyptic number.

23020347250 is a deficient number, since it is larger than the sum of its proper divisors (20110785470).

23020347250 is a wasteful number, since it uses less digits than its factorization.

23020347250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79167 (or 79157 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 28.

Adding to 23020347250 its reverse (5274302032), we get a palindrome (28294649282).

The spelling of 23020347250 in words is "twenty-three billion, twenty million, three hundred forty-seven thousand, two hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 1181 2362 5905 11810 29525 59050 77969 147625 155938 295250 389845 779690 1949225 3898450 9746125 19492250 92081389 184162778 460406945 920813890 2302034725 4604069450 11510173625 23020347250