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389999013001230 = 23519684208794739
BaseRepresentation
bin101100010101100111011100…
…0101000011111100000001110
31220010212112121202211010112110
41120223032320220133200032
5402104220434312014410
63501243023451044450
7145101333052023423
oct13053167050374016
91803775552733473
10389999013001230
111032a171a649916
12378a8508440726
131397c997a87cb9
146c440a53d3d4a
153014b81726720
hex162b3b8a1f80e

389999013001230 has 32 divisors (see below), whose sum is σ = 985260664425600. Its totient is φ = 98526066442272.

The previous prime is 389999013001121. The next prime is 389999013001267. The reversal of 389999013001230 is 32100310999983.

It is a Harshad number since it is a multiple of its sum of digits (57).

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, 342104396800 + ... + 342104397939.

It is an arithmetic number, because the mean of its divisors is an integer number (30789395763300).

Almost surely, 2389999013001230 is an apocalyptic number.

389999013001230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

389999013001230 is an abundant number, since it is smaller than the sum of its proper divisors (595261651424370).

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

389999013001230 is a wasteful number, since it uses less digits than its factorization.

389999013001230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684208794768.

The product of its (nonzero) digits is 2834352, while the sum is 57.

The spelling of 389999013001230 in words is "three hundred eighty-nine trillion, nine hundred ninety-nine billion, thirteen million, one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 684208794739 1368417589478 2052626384217 3421043973695 4105252768434 6842087947390 10263131921085 12999967100041 20526263842170 25999934200082 38999901300123 64999835500205 77999802600246 129999671000410 194999506500615 389999013001230