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23225331312544 = 252930781522139
BaseRepresentation
bin1010100011111100100011…
…00111110110011110100000
310001020022122021100110210011
411101332101213312132200
511021010434304000134
6121221323033414304
74614655234600114
oct521762147663640
9101208567313704
1023225331312544
117444898051a59
12273128456a394
13cc61a71ab62a
145a417d5c3744
152a4226868264
hex151f919f67a0

23225331312544 has 48 divisors (see below), whose sum is σ = 47455668136800. Its totient is φ = 11175706854144.

The previous prime is 23225331312529. The next prime is 23225331312563. The reversal of 23225331312544 is 44521313352232.

It is a junction number, because it is equal to n+sod(n) for n = 23225331312497 and 23225331312506.

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, 40476174 + ... + 41045965.

It is an arithmetic number, because the mean of its divisors is an integer number (988659752850).

Almost surely, 223225331312544 is an apocalyptic number.

It is an amenable number.

23225331312544 is an abundant number, since it is smaller than the sum of its proper divisors (24230336824256).

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

23225331312544 is a wasteful number, since it uses less digits than its factorization.

23225331312544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81522485 (or 81522477 counting only the distinct ones).

The product of its digits is 518400, while the sum is 40.

Adding to 23225331312544 its reverse (44521313352232), we get a palindrome (67746644664776).

The spelling of 23225331312544 in words is "twenty-three trillion, two hundred twenty-five billion, three hundred thirty-one million, three hundred twelve thousand, five hundred forty-four".

Divisors: 1 2 4 8 16 29 32 58 116 232 307 464 614 928 1228 2456 4912 8903 9824 17806 35612 71224 142448 284896 81522139 163044278 326088556 652177112 1304354224 2364142031 2608708448 4728284062 9456568124 18913136248 25027296673 37826272496 50054593346 75652544992 100109186692 200218373384 400436746768 725791603517 800873493536 1451583207034 2903166414068 5806332828136 11612665656272 23225331312544