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389986862802 = 23193420937393
BaseRepresentation
bin1011010110011010000…
…01110100011011010010
31101021121212002022000120
411223031001310123102
522342143114102202
6455054003531110
740114144432125
oct5531501643322
91337555068016
10389986862802
111404354651a9
12636b9989a96
132aa110013a4
1414c383c03bc
15a2277e30bc
hex5acd0746d2

389986862802 has 16 divisors (see below), whose sum is σ = 821024974560. Its totient is φ = 123153746112.

The previous prime is 389986862717. The next prime is 389986862851. The reversal of 389986862802 is 208268689983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1710468583 + ... + 1710468810.

It is an arithmetic number, because the mean of its divisors is an integer number (51314060910).

Almost surely, 2389986862802 is an apocalyptic number.

389986862802 is an abundant number, since it is smaller than the sum of its proper divisors (431038111758).

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

389986862802 is a wasteful number, since it uses less digits than its factorization.

389986862802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3420937417.

The product of its (nonzero) digits is 143327232, while the sum is 69.

The spelling of 389986862802 in words is "three hundred eighty-nine billion, nine hundred eighty-six million, eight hundred sixty-two thousand, eight hundred two".

Divisors: 1 2 3 6 19 38 57 114 3420937393 6841874786 10262812179 20525624358 64997810467 129995620934 194993431401 389986862802