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13123021022232 = 2331124518946633
BaseRepresentation
bin1011111011110111000100…
…0000011010010000011000
31201110112210220020222012020
42332331301000122100120
53210001421340202412
643524344352014440
72523051460133652
oct276756100322030
951415726228166
1013123021022232
1141aa495283600
12157b3b5231420
13742659a077b4
1433522c6876d2
1517b55e98518c
hexbef7101a418

13123021022232 has 48 divisors (see below), whose sum is σ = 36061194139320. Its totient is φ = 3976673036160.

The previous prime is 13123021022231. The next prime is 13123021022249. The reversal of 13123021022232 is 23222012032131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13123021022231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2259470413 + ... + 2259476220.

Almost surely, 213123021022232 is an apocalyptic number.

13123021022232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13123021022232 is an abundant number, since it is smaller than the sum of its proper divisors (22938173117088).

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

13123021022232 is a wasteful number, since it uses less digits than its factorization.

13123021022232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518946664 (or 4518946649 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13123021022232 its reverse (23222012032131), we get a palindrome (36345033054363).

The spelling of 13123021022232 in words is "thirteen trillion, one hundred twenty-three billion, twenty-one million, twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 121 132 242 264 363 484 726 968 1452 2904 4518946633 9037893266 13556839899 18075786532 27113679798 36151573064 49708412963 54227359596 99416825926 108454719192 149125238889 198833651852 298250477778 397667303704 546792542593 596500955556 1093585085186 1193001911112 1640377627779 2187170170372 3280755255558 4374340340744 6561510511116 13123021022232