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23212312310 = 25112361150407
BaseRepresentation
bin10101100111100011…
…111100011011110110
32012220201001122022202
4111213203330123312
5340014322443220
614355200224502
71451136253625
oct254743743366
965821048282
1023212312310
119931821890
1245b990b132
13225c067655
1411a2b976bc
1590cc9c275
hex5678fc6f6

23212312310 has 64 divisors (see below), whose sum is σ = 48342334464. Its totient is φ = 7941436800.

The previous prime is 23212312307. The next prime is 23212312391. The reversal of 23212312310 is 1321321232.

It is a super-2 number, since 2×232123123102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79127 + ... + 229533.

It is an arithmetic number, because the mean of its divisors is an integer number (755348976).

Almost surely, 223212312310 is an apocalyptic number.

23212312310 is an abundant number, since it is smaller than the sum of its proper divisors (25130022154).

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

23212312310 is a wasteful number, since it uses less digits than its factorization.

23212312310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150509.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23212312310 its reverse (1321321232), we get a palindrome (24533633542).

The spelling of 23212312310 in words is "twenty-three billion, two hundred twelve million, three hundred twelve thousand, three hundred ten".

Divisors: 1 2 5 10 11 22 23 46 55 61 110 115 122 230 253 305 506 610 671 1265 1342 1403 2530 2806 3355 6710 7015 14030 15433 30866 77165 150407 154330 300814 752035 1504070 1654477 3308954 3459361 6918722 8272385 9174827 16544770 17296805 18349654 34593610 38052971 45874135 76105942 91748270 100923097 190264855 201846194 211021021 380529710 422042042 504615485 1009230970 1055105105 2110210210 2321231231 4642462462 11606156155 23212312310