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23211031300 = 2252232110313
BaseRepresentation
bin10101100111011111…
…000011101100000100
32012220121122120002221
4111213133003230010
5340014011000200
614355112542124
71451122340122
oct254737035404
965817576087
1023211031300
1199310273a6
1245b93b1944
13225ba09562
1411a2942912
1590cae791a
hex5677c3b04

23211031300 has 18 divisors (see below), whose sum is σ = 50367938138. Its totient is φ = 9284412480.

The previous prime is 23211031241. The next prime is 23211031307. The reversal of 23211031300 is 313011232.

It can be written as a sum of positive squares in 3 ways, for example, as 1368556036 + 21842475264 = 36994^2 + 147792^2 .

It is not an unprimeable number, because it can be changed into a prime (23211031307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 116055057 + ... + 116055256.

Almost surely, 223211031300 is an apocalyptic number.

23211031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23211031300 is an abundant number, since it is smaller than the sum of its proper divisors (27156906838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23211031300 is a wasteful number, since it uses less digits than its factorization.

23211031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232110327 (or 232110320 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 23211031300 its reverse (313011232), we get a palindrome (23524042532).

The spelling of 23211031300 in words is "twenty-three billion, two hundred eleven million, thirty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 232110313 464220626 928441252 1160551565 2321103130 4642206260 5802757825 11605515650 23211031300