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30112320320120 = 235979923782113
BaseRepresentation
bin1101101100011000100100…
…01001111111001001111000
310221121201011101012012200102
412312030102021333021320
512421330013000220440
6144013224201254532
76225354240352313
oct666142211771170
9127551141165612
1030112320320120
11965a621880aa5
123463b77194448
1313a576c57732c
147616307ab97a
15373455958b15
hex1b631227f278

30112320320120 has 64 divisors (see below), whose sum is σ = 68458188143520. Its totient is φ = 11919537045504.

The previous prime is 30112320320081. The next prime is 30112320320227. The reversal of 30112320320120 is 2102302321103.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30112320320092 and 30112320320101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38110184 + ... + 38892296.

Almost surely, 230112320320120 is an apocalyptic number.

It is an amenable number.

30112320320120 is an abundant number, since it is smaller than the sum of its proper divisors (38345867823400).

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

30112320320120 is a wasteful number, since it uses less digits than its factorization.

30112320320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792144 (or 792140 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30112320320120 its reverse (2102302321103), we get a palindrome (32214622641223).

The spelling of 30112320320120 in words is "thirty trillion, one hundred twelve billion, three hundred twenty million, three hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 97 194 388 485 776 970 1940 3880 9923 19846 39692 49615 79384 99230 198460 396920 782113 962531 1564226 1925062 3128452 3850124 3910565 4812655 6256904 7700248 7821130 9625310 15642260 19250620 31284520 38501240 75864961 151729922 303459844 379324805 606919688 758649610 1517299220 3034598440 7760907299 15521814598 31043629196 38804536495 62087258392 77609072990 155218145980 310436291960 752808008003 1505616016006 3011232032012 3764040040015 6022464064024 7528080080030 15056160160060 30112320320120