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23210021130 = 2352772793023
BaseRepresentation
bin10101100111011011…
…001101000100001010
32012220112202020102020
4111213123031010022
5340013231134010
614355035145310
71451110632042
oct254733150412
965815666366
1023210021130
1199304a744a
1245b8ba5236
13225b74481a
1411a275c722
1590c998470
hex5676cd10a

23210021130 has 32 divisors (see below), whose sum is σ = 55905168384. Its totient is φ = 6166992576.

The previous prime is 23210021113. The next prime is 23210021167. The reversal of 23210021130 is 3112001232.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 1388202 + ... + 1404821.

It is an arithmetic number, because the mean of its divisors is an integer number (1747036512).

Almost surely, 223210021130 is an apocalyptic number.

23210021130 is an abundant number, since it is smaller than the sum of its proper divisors (32695147254).

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

23210021130 is a wasteful number, since it uses less digits than its factorization.

23210021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793310.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23210021130 its reverse (3112001232), we get a palindrome (26322022362).

The spelling of 23210021130 in words is "twenty-three billion, two hundred ten million, twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 277 554 831 1385 1662 2770 4155 8310 2793023 5586046 8379069 13965115 16758138 27930230 41895345 83790690 773667371 1547334742 2321002113 3868336855 4642004226 7736673710 11605010565 23210021130