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113430120390 = 23352691561753
BaseRepresentation
bin110100110100011110…
…1100100011111000110
3101211210010210010222000
41221220331210133012
53324301102323030
6124035321050130
711123622054306
oct1515075443706
9354703703860
10113430120390
1144118389354
1219b97626946
13a90903a742
1456c0991606
152e3d2ee860
hex1a68f647c6

113430120390 has 64 divisors (see below), whose sum is σ = 303604977600. Its totient is φ = 30135566592.

The previous prime is 113430120389. The next prime is 113430120407. The reversal of 113430120390 is 93021034311.

113430120390 is a `hidden beast` number, since 113 + 43 + 0 + 120 + 390 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 708247 + ... + 853506.

It is an arithmetic number, because the mean of its divisors is an integer number (4743827775).

Almost surely, 2113430120390 is an apocalyptic number.

113430120390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113430120390 is an abundant number, since it is smaller than the sum of its proper divisors (190174857210).

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

113430120390 is a wasteful number, since it uses less digits than its factorization.

113430120390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562038 (or 1562032 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 113430120390 in words is "one hundred thirteen billion, four hundred thirty million, one hundred twenty thousand, three hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 269 270 538 807 1345 1614 2421 2690 4035 4842 7263 8070 12105 14526 24210 36315 72630 1561753 3123506 4685259 7808765 9370518 14055777 15617530 23426295 28111554 42167331 46852590 70278885 84334662 140557770 210836655 420111557 421673310 840223114 1260334671 2100557785 2520669342 3781004013 4201115570 6301673355 7562008026 11343012039 12603346710 18905020065 22686024078 37810040130 56715060195 113430120390