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13443556902 = 2323937103967
BaseRepresentation
bin11001000010100110…
…00110011000100110
31021200220102110010220
430201103012120212
5210013022310102
610101554025210
7654100230306
oct144123063046
937626373126
1013443556902
1157795a0306
122732278206
131363253ac9
1491762b606
1553a36b1bc
hex3214c6626

13443556902 has 32 divisors (see below), whose sum is σ = 28086331392. Its totient is φ = 4281735744.

The previous prime is 13443556873. The next prime is 13443556921. The reversal of 13443556902 is 20965534431.

It is a congruent number.

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, 77323 + ... + 181289.

It is an arithmetic number, because the mean of its divisors is an integer number (877697856).

Almost surely, 213443556902 is an apocalyptic number.

13443556902 is an abundant number, since it is smaller than the sum of its proper divisors (14642774490).

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

13443556902 is a wasteful number, since it uses less digits than its factorization.

13443556902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104932.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 13443556902 in words is "thirteen billion, four hundred forty-three million, five hundred fifty-six thousand, nine hundred two".

Divisors: 1 2 3 6 23 46 69 138 937 1874 2811 5622 21551 43102 64653 103967 129306 207934 311901 623802 2391241 4782482 7173723 14347446 97417079 194834158 292251237 584502474 2240592817 4481185634 6721778451 13443556902