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206006468260 = 225131307925537
BaseRepresentation
bin1011111111011011110…
…0010011111010100100
3201200201221111212221211
42333312330103322210
511333400123441020
6234345453321204
720612014042165
oct2776674237244
9650657455854
10206006468260
117a40430a75a
1233b13196204
13165708410c8
149d83ad576c
15555a93885a
hex2ff6f13ea4

206006468260 has 48 divisors (see below), whose sum is σ = 436074629760. Its totient is φ = 81743800320.

The previous prime is 206006468221. The next prime is 206006468267. The reversal of 206006468260 is 62864600602.

It is not an unprimeable number, because it can be changed into a prime (206006468267) 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, 8054212 + ... + 8079748.

It is an arithmetic number, because the mean of its divisors is an integer number (9084888120).

Almost surely, 2206006468260 is an apocalyptic number.

206006468260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206006468260 is an abundant number, since it is smaller than the sum of its proper divisors (230068161500).

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

206006468260 is a wasteful number, since it uses less digits than its factorization.

206006468260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28756 (or 28754 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 206006468260 in words is "two hundred six billion, six million, four hundred sixty-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 131 262 524 655 1310 2620 3079 6158 12316 15395 25537 30790 51074 61580 102148 127685 255370 403349 510740 806698 1613396 2016745 3345347 4033490 6690694 8066980 13381388 16726735 33453470 66906940 78628423 157256846 314513692 393142115 786284230 1572568460 10300323413 20600646826 41201293652 51501617065 103003234130 206006468260