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123530432045461 = 737994147978219
BaseRepresentation
bin11100000101100110101011…
…100001010110000110010101
3121012101101122012112002221221
4130011212223201112012111
5112142410311100423321
61114421032544010341
735006531156346340
oct3405465341260625
9535341565462857
10123530432045461
11363a6a64504581
1211a310379009b1
1353c0b3cb2101c
142270c94b3b457
15e4349b4e9e41
hex7059ab856195

123530432045461 has 16 divisors (see below), whose sum is σ = 145007836824960. Its totient is φ = 103011153174720.

The previous prime is 123530432045357. The next prime is 123530432045513. The reversal of 123530432045461 is 164540234035321.

It is not a de Polignac number, because 123530432045461 - 29 = 123530432044949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123530432045261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21414391 + ... + 26563828.

It is an arithmetic number, because the mean of its divisors is an integer number (9062989801560).

Almost surely, 2123530432045461 is an apocalyptic number.

It is an amenable number.

123530432045461 is a deficient number, since it is larger than the sum of its proper divisors (21477404779499).

123530432045461 is an equidigital number, since it uses as much as digits as its factorization.

123530432045461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47988204.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 123530432045461 in words is "one hundred twenty-three trillion, five hundred thirty billion, four hundred thirty-two million, forty-five thousand, four hundred sixty-one".

Divisors: 1 7 37 259 9941 69587 367817 2574719 47978219 335847533 1775194103 12426358721 476951475079 3338660325553 17647204577923 123530432045461