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207150385122 = 234357592
BaseRepresentation
bin1100000011101100100…
…0000000011111100010
3201210200122222212220000
43000323020000133202
511343220444310442
6235055155400430
720652244135602
oct3007310003742
9653618885800
10207150385122
117a940aa039a
12341922b3116
13166c382a3a5
14a0519c6c02
1555c6096d4c
hex303b2007e2

207150385122 has 30 divisors (see below), whose sum is σ = 464183288283. Its totient is φ = 69048197388.

The previous prime is 207150385087. The next prime is 207150385163. The reversal of 207150385122 is 221583051702.

207150385122 is a `hidden beast` number, since 2 + 0 + 7 + 150 + 385 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103575192561 + 103575192561 = 321831^2 + 321831^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=321831.

It is a super-2 number, since 2×2071503851222 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5775079 + ... + 5810837.

Almost surely, 2207150385122 is an apocalyptic number.

207150385122 is an abundant number, since it is smaller than the sum of its proper divisors (257032903161).

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

207150385122 is an frugal number, since it uses more digits than its factorization.

207150385122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71532 (or 35764 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The spelling of 207150385122 in words is "two hundred seven billion, one hundred fifty million, three hundred eighty-five thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 35759 71518 107277 214554 321831 643662 965493 1930986 2896479 5792958 1278706081 2557412162 3836118243 7672236486 11508354729 23016709458 34525064187 69050128374 103575192561 207150385122