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23431000414220 = 22571514911047877
BaseRepresentation
bin1010101001111011101000…
…11101001101100000001100
310001221222111201001100210022
411110331310131031200030
511032343142101223340
6121500015240201312
74635556014243260
oct524756435154014
9101858451040708
1023431000414220
117514038986153
122765102769238
13100c6c2b6a929
145b00d057a0a0
152a97628613b5
hex154f7474d80c

23431000414220 has 48 divisors (see below), whose sum is σ = 56238118171200. Its totient is φ = 8032954831104.

The previous prime is 23431000414181. The next prime is 23431000414247. The reversal of 23431000414220 is 2241400013432.

It is a super-2 number, since 2×234310004142202 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23431000414220.

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, 3403079 + ... + 7644798.

It is an arithmetic number, because the mean of its divisors is an integer number (1171627461900).

Almost surely, 223431000414220 is an apocalyptic number.

23431000414220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23431000414220 is an abundant number, since it is smaller than the sum of its proper divisors (32807117756980).

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

23431000414220 is a wasteful number, since it uses less digits than its factorization.

23431000414220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063042 (or 11063040 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 23431000414220 its reverse (2241400013432), we get a palindrome (25672400427652).

The spelling of 23431000414220 in words is "twenty-three trillion, four hundred thirty-one billion, four hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 15149 30298 60596 75745 106043 151490 212086 302980 424172 530215 1060430 2120860 11047877 22095754 44191508 55239385 77335139 110478770 154670278 220957540 309340556 386675695 773351390 1546702780 167364288673 334728577346 669457154692 836821443365 1171550020711 1673642886730 2343100041422 3347285773460 4686200082844 5857750103555 11715500207110 23431000414220