Search a number
-
+
207500016680 = 23511471590947
BaseRepresentation
bin1100000100111111110…
…1101111110000101000
3201211121000220000012222
43001033331233300220
511344430001013210
6235154005253212
720664021016565
oct3011775576050
9654530800188
10207500016680
11800003937a0
123426b404208
131674b0b4978
14a0861d986c
1555e6b0b655
hex304ff6fc28

207500016680 has 32 divisors (see below), whose sum is σ = 509318223840. Its totient is φ = 75454551360.

The previous prime is 207500016653. The next prime is 207500016701. The reversal of 207500016680 is 86610005702.

It is a self number, because there is not a number n which added to its sum of digits gives 207500016680.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235795034 + ... + 235795913.

It is an arithmetic number, because the mean of its divisors is an integer number (15916194495).

Almost surely, 2207500016680 is an apocalyptic number.

207500016680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207500016680 is an abundant number, since it is smaller than the sum of its proper divisors (301818207160).

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

207500016680 is a wasteful number, since it uses less digits than its factorization.

207500016680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471590969 (or 471590965 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 207500016680 in words is "two hundred seven billion, five hundred million, sixteen thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 471590947 943181894 1886363788 2357954735 3772727576 4715909470 5187500417 9431818940 10375000834 18863637880 20750001668 25937502085 41500003336 51875004170 103750008340 207500016680