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23244434431220 = 2251211395948297
BaseRepresentation
bin1010100100100000001000…
…10000011101110011110100
310001022010221121020110011002
411102100010100131303310
511021314100203244340
6121234202403502432
74616232516454502
oct522200420356364
9101263847213132
1023244434431220
117451a00289842
122734b16087a18
13cc7c2cb12252
145a5072721672
152a49939c1715
hex15240441dcf4

23244434431220 has 24 divisors (see below), whose sum is σ = 48817342642824. Its totient is φ = 9297006089216.

The previous prime is 23244434431201. The next prime is 23244434431291. The reversal of 23244434431220 is 2213443444232.

It can be written as a sum of positive squares in 4 ways, for example, as 2461302873316 + 20783131557904 = 1568854^2 + 4558852^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47731889 + ... + 48216408.

It is an arithmetic number, because the mean of its divisors is an integer number (2034055943451).

Almost surely, 223244434431220 is an apocalyptic number.

23244434431220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23244434431220 is an abundant number, since it is smaller than the sum of its proper divisors (25572908211604).

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

23244434431220 is a wasteful number, since it uses less digits than its factorization.

23244434431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95960419 (or 95960417 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 23244434431220 its reverse (2213443444232), we get a palindrome (25457877875452).

The spelling of 23244434431220 in words is "twenty-three trillion, two hundred forty-four billion, four hundred thirty-four million, four hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 12113 24226 48452 60565 121130 242260 95948297 191896594 383793188 479741485 959482970 1918965940 1162221721561 2324443443122 4648886886244 5811108607805 11622217215610 23244434431220