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123140210432 = 284311186429
BaseRepresentation
bin111001010101110111…
…0100111111100000000
3102202211212000211101112
41302223232213330000
54004142343213212
6132323030022452
711616346342601
oct1625356477400
9382755024345
10123140210432
1148250490758
121ba474a7a28
13b7c5950955
145d62409da8
15330a9e3422
hex1cabba7f00

123140210432 has 36 divisors (see below), whose sum is σ = 251515692120. Its totient is φ = 60138236928.

The previous prime is 123140210407. The next prime is 123140210503. The reversal of 123140210432 is 234012041321.

It is a super-2 number, since 2×1231402104322 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123140210398 and 123140210407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5582207 + ... + 5604222.

Almost surely, 2123140210432 is an apocalyptic number.

It is an amenable number.

123140210432 is an abundant number, since it is smaller than the sum of its proper divisors (128375481688).

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

123140210432 is an equidigital number, since it uses as much as digits as its factorization.

123140210432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186488 (or 11186474 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 123140210432 its reverse (234012041321), we get a palindrome (357152251753).

The spelling of 123140210432 in words is "one hundred twenty-three billion, one hundred forty million, two hundred ten thousand, four hundred thirty-two".

Divisors: 1 2 4 8 16 32 43 64 86 128 172 256 344 688 1376 2752 5504 11008 11186429 22372858 44745716 89491432 178982864 357965728 481016447 715931456 962032894 1431862912 1924065788 2863725824 3848131576 7696263152 15392526304 30785052608 61570105216 123140210432