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13123210224 = 2431032654371
BaseRepresentation
bin11000011100011010…
…00100101111110000
31020212120122011010010
430032031010233300
5203334020211344
610010111534520
7643130306055
oct141615045760
936776564103
1013123210224
11562478a093
122662b2a440
131311a80b67
148c6c7d02c
1551c18d8b9
hex30e344bf0

13123210224 has 40 divisors (see below), whose sum is σ = 34230781312. Its totient is φ = 4331931840.

The previous prime is 13123210189. The next prime is 13123210267. The reversal of 13123210224 is 42201232131.

It is a self number, because there is not a number n which added to its sum of digits gives 13123210224.

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, 1322242 + ... + 1332129.

Almost surely, 213123210224 is an apocalyptic number.

It is an amenable number.

13123210224 is an abundant number, since it is smaller than the sum of its proper divisors (21107571088).

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

13123210224 is a wasteful number, since it uses less digits than its factorization.

13123210224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2654485 (or 2654479 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13123210224 its reverse (42201232131), we get a palindrome (55324442355).

The spelling of 13123210224 in words is "thirteen billion, one hundred twenty-three million, two hundred ten thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 103 206 309 412 618 824 1236 1648 2472 4944 2654371 5308742 7963113 10617484 15926226 21234968 31852452 42469936 63704904 127409808 273400213 546800426 820200639 1093600852 1640401278 2187201704 3280802556 4374403408 6561605112 13123210224