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220200631890 = 23531236774873
BaseRepresentation
bin1100110100010011111…
…0101111111001010010
3210001101011100002221220
43031010332233321102
512101432330210030
6245054143425510
721623530326351
oct3150476577122
9701334302856
10220200631890
11854285749a8
12368148b5296
13179c34428b5
14a92ccb1998
155adbb21a10
hex3344fafe52

220200631890 has 32 divisors (see below), whose sum is σ = 545529309696. Its totient is φ = 56825969280.

The previous prime is 220200631883. The next prime is 220200631943. The reversal of 220200631890 is 98136002022.

It is a happy number.

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, 118386507 + ... + 118388366.

It is an arithmetic number, because the mean of its divisors is an integer number (17047790928).

Almost surely, 2220200631890 is an apocalyptic number.

220200631890 is an abundant number, since it is smaller than the sum of its proper divisors (325328677806).

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

220200631890 is a wasteful number, since it uses less digits than its factorization.

220200631890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236774914.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 220200631890 in words is "two hundred twenty billion, two hundred million, six hundred thirty-one thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 236774873 473549746 710324619 1183874365 1420649238 2367748730 3551623095 7103246190 7340021063 14680042126 22020063189 36700105315 44040126378 73400210630 110100315945 220200631890