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123055631080 = 2355358045109
BaseRepresentation
bin111001010011010101…
…1111110101011101000
3102202121221212202022221
41302212223332223220
54004004220143310
6132310405123424
711614301414554
oct1624653765350
9382557782287
10123055631080
1148207771a68
121ba230b9574
13b7b12790b5
145d550b0864
153303387ada
hex1ca6afeae8

123055631080 has 32 divisors (see below), whose sum is σ = 282099234600. Its totient is φ = 48293529856.

The previous prime is 123055631063. The next prime is 123055631107. The reversal of 123055631080 is 80136550321.

It can be written as a sum of positive squares in 4 ways, for example, as 84496025124 + 38559605956 = 290682^2 + 196366^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29020435 + ... + 29024674.

Almost surely, 2123055631080 is an apocalyptic number.

123055631080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123055631080 is an abundant number, since it is smaller than the sum of its proper divisors (159043603520).

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

123055631080 is a wasteful number, since it uses less digits than its factorization.

123055631080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58045173 (or 58045169 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 123055631080 in words is "one hundred twenty-three billion, fifty-five million, six hundred thirty-one thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 53 106 212 265 424 530 1060 2120 58045109 116090218 232180436 290225545 464360872 580451090 1160902180 2321804360 3076390777 6152781554 12305563108 15381953885 24611126216 30763907770 61527815540 123055631080