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13233943242 = 2331318851771
BaseRepresentation
bin11000101001100110…
…11111001011001010
31021011021222222021000
430110303133023022
5204100342140432
610025105155430
7645643442622
oct142463371312
937137888230
1013233943242
115681241483
12269402bb76
13132b9b1a60
148d7865882
15526c6357c
hex314cdf2ca

13233943242 has 32 divisors (see below), whose sum is σ = 31670976960. Its totient is φ = 4071982320.

The previous prime is 13233943237. The next prime is 13233943253. The reversal of 13233943242 is 24234933231.

13233943242 is a `hidden beast` number, since 1 + 3 + 23 + 394 + 3 + 242 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13233943197 and 13233943206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9425184 + ... + 9426587.

It is an arithmetic number, because the mean of its divisors is an integer number (989718030).

Almost surely, 213233943242 is an apocalyptic number.

13233943242 is an abundant number, since it is smaller than the sum of its proper divisors (18437033718).

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

13233943242 is a wasteful number, since it uses less digits than its factorization.

13233943242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18851795 (or 18851789 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The spelling of 13233943242 in words is "thirteen billion, two hundred thirty-three million, nine hundred forty-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 117 234 351 702 18851771 37703542 56555313 113110626 169665939 245073023 339331878 490146046 508997817 735219069 1017995634 1470438138 2205657207 4411314414 6616971621 13233943242