Search a number
-
+
123129245074 = 21123401606829
BaseRepresentation
bin111001010101100010…
…0110010110110010010
3102202211002101201202011
41302223010302312102
54004132041320244
6132321555013134
711616154212613
oct1625304626622
9382732351664
10123129245074
1148245281280
121ba4389a1aa
13b7c35b1884
145d60b93c0a
153309a79434
hex1cab132d92

123129245074 has 32 divisors (see below), whose sum is σ = 210769050240. Its totient is φ = 53400864000.

The previous prime is 123129245053. The next prime is 123129245089. The reversal of 123129245074 is 470542921321.

123129245074 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100509 + ... + 506320.

It is an arithmetic number, because the mean of its divisors is an integer number (6586532820).

Almost surely, 2123129245074 is an apocalyptic number.

123129245074 is a deficient number, since it is larger than the sum of its proper divisors (87639805166).

123129245074 is a wasteful number, since it uses less digits than its factorization.

123129245074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607266.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 123129245074 in words is "one hundred twenty-three billion, one hundred twenty-nine million, two hundred forty-five thousand, seventy-four".

Divisors: 1 2 11 22 23 46 253 401 506 802 4411 8822 9223 18446 101453 202906 606829 1213658 6675119 13350238 13957067 27914134 153527737 243338429 307055474 486676858 2676722719 5353445438 5596783867 11193567734 61564622537 123129245074