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23402444412 = 2232002997369
BaseRepresentation
bin10101110010111001…
…001111011001111100
32020101221211100112110
4111302321033121330
5340412011210122
614430111334020
71455635331624
oct256271173174
966357740473
1023402444412
119a1a084956
124651521310
13228c578259
1411c012b884
1591e80790c
hex572e4f67c

23402444412 has 24 divisors (see below), whose sum is σ = 54608990800. Its totient is φ = 7800345216.

The previous prime is 23402444383. The next prime is 23402444473. The reversal of 23402444412 is 21444420432.

It is a self number, because there is not a number n which added to its sum of digits gives 23402444412.

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, 191664 + ... + 289032.

Almost surely, 223402444412 is an apocalyptic number.

It is an amenable number.

23402444412 is an abundant number, since it is smaller than the sum of its proper divisors (31206546388).

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

23402444412 is a wasteful number, since it uses less digits than its factorization.

23402444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117405 (or 117403 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 23402444412 its reverse (21444420432), we get a palindrome (44846864844).

The spelling of 23402444412 in words is "twenty-three billion, four hundred two million, four hundred forty-four thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 20029 40058 60087 80116 97369 120174 194738 240348 292107 389476 584214 1168428 1950203701 3900407402 5850611103 7800814804 11701222206 23402444412