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123020233232 = 24132920394601
BaseRepresentation
bin111001010010010010…
…0111100101000010000
3102202112111021100121112
41302210210330220100
54003421134430412
6132303102312452
711613361505051
oct1624444745020
9382474240545
10123020233232
1148199795046
121ba13288728
13b7a6b34220
145d504d8728
1533001e4722
hex1ca493ca10

123020233232 has 40 divisors (see below), whose sum is σ = 265537718040. Its totient is φ = 54820684800.

The previous prime is 123020233229. The next prime is 123020233249. The reversal of 123020233232 is 232332020321.

It can be written as a sum of positive squares in 4 ways, for example, as 8372982016 + 114647251216 = 91504^2 + 338596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123020233198 and 123020233207.

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, 10191269 + ... + 10203332.

It is an arithmetic number, because the mean of its divisors is an integer number (6638442951).

Almost surely, 2123020233232 is an apocalyptic number.

It is an amenable number.

123020233232 is an abundant number, since it is smaller than the sum of its proper divisors (142517484808).

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

123020233232 is a wasteful number, since it uses less digits than its factorization.

123020233232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20394651 (or 20394645 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 123020233232 its reverse (232332020321), we get a palindrome (355352253553).

The spelling of 123020233232 in words is "one hundred twenty-three billion, twenty million, two hundred thirty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 16 26 29 52 58 104 116 208 232 377 464 754 1508 3016 6032 20394601 40789202 81578404 163156808 265129813 326313616 530259626 591443429 1060519252 1182886858 2121038504 2365773716 4242077008 4731547432 7688764577 9463094864 15377529154 30755058308 61510116616 123020233232