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120123232030 = 25192350926893
BaseRepresentation
bin110111111011111100…
…1110000111100011110
3102111001121001110001201
41233313321300330132
53432003021411110
6131103413430114
711451523424314
oct1576771607436
9374047043051
10120123232030
1146a4248417a
121b34503b33a
13b4348a3429
145b578640b4
1531d0be8b3a
hex1bf7e70f1e

120123232030 has 32 divisors (see below), whose sum is σ = 227620058400. Its totient is φ = 45516753792.

The previous prime is 120123232027. The next prime is 120123232051. The reversal of 120123232030 is 30232321021.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 120123231989 and 120123232007.

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, 4453264 + ... + 4480156.

It is an arithmetic number, because the mean of its divisors is an integer number (7113126825).

Almost surely, 2120123232030 is an apocalyptic number.

120123232030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120123232030 is a deficient number, since it is larger than the sum of its proper divisors (107496826370).

120123232030 is a wasteful number, since it uses less digits than its factorization.

120123232030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50428.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 120123232030 its reverse (30232321021), we get a palindrome (150355553051).

The spelling of 120123232030 in words is "one hundred twenty billion, one hundred twenty-three million, two hundred thirty-two thousand, thirty".

Divisors: 1 2 5 10 19 38 95 190 23509 26893 47018 53786 117545 134465 235090 268930 446671 510967 893342 1021934 2233355 2554835 4466710 5109670 632227537 1264455074 3161137685 6322275370 12012323203 24024646406 60061616015 120123232030