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123850488081 = 3239409142223
BaseRepresentation
bin111001101011000010…
…0000111100100010001
3102211200100112200011010
41303112010013210101
54012121211104311
6132521321441133
711643062531115
oct1632604074421
9384610480133
10123850488081
114858540a881
12200053401a9
13b8a9b4b098
145dcc89b745
15334d045da6
hex1cd6107911

123850488081 has 16 divisors (see below), whose sum is σ = 165869383680. Its totient is φ = 82199478480.

The previous prime is 123850488043. The next prime is 123850488089. The reversal of 123850488081 is 180884058321.

It is not a de Polignac number, because 123850488081 - 211 = 123850486033 is a prime.

It is a super-2 number, since 2×1238504880812 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123850488081.

It is not an unprimeable number, because it can be changed into a prime (123850488089) 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, 2912136 + ... + 2954358.

It is an arithmetic number, because the mean of its divisors is an integer number (10366836480).

Almost surely, 2123850488081 is an apocalyptic number.

It is an amenable number.

123850488081 is a deficient number, since it is larger than the sum of its proper divisors (42018895599).

123850488081 is a wasteful number, since it uses less digits than its factorization.

123850488081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46556.

The product of its (nonzero) digits is 491520, while the sum is 48.

The spelling of 123850488081 in words is "one hundred twenty-three billion, eight hundred fifty million, four hundred eighty-eight thousand, eighty-one".

Divisors: 1 3 239 717 4091 12273 42223 126669 977749 2933247 10091297 30273891 172734293 518202879 41283496027 123850488081