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13212110652 = 2231384693017
BaseRepresentation
bin11000100111000000…
…01100111100111100
31021002202220202120120
430103200030330330
5204024300020102
610023005214540
7645260042016
oct142340147474
937082822516
1013212110652
11566a98a314
122688861450
131327309470
148d49c11b6
15524d9e6bc
hex31380cf3c

13212110652 has 24 divisors (see below), whose sum is σ = 33199663056. Its totient is φ = 4065264768.

The previous prime is 13212110633. The next prime is 13212110683. The reversal of 13212110652 is 25601121231.

It is a happy number.

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, 42346353 + ... + 42346664.

It is an arithmetic number, because the mean of its divisors is an integer number (1383319294).

Almost surely, 213212110652 is an apocalyptic number.

13212110652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13212110652 is an abundant number, since it is smaller than the sum of its proper divisors (19987552404).

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

13212110652 is a wasteful number, since it uses less digits than its factorization.

13212110652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84693037 (or 84693035 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 13212110652 its reverse (25601121231), we get a palindrome (38813231883).

The spelling of 13212110652 in words is "thirteen billion, two hundred twelve million, one hundred ten thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 84693017 169386034 254079051 338772068 508158102 1016316204 1101009221 2202018442 3303027663 4404036884 6606055326 13212110652