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220692195808 = 257985233017
BaseRepresentation
bin1100110110001001000…
…1111010100111100000
3210002122102022010212221
43031202101322213200
512103434200231213
6245215023400424
721641646466330
oct3154221724740
9702572263787
10220692195808
118565aa9a177
1236931453114
1317a71232c16
14a9782ad0c0
155b19d7038d
hex336247a9e0

220692195808 has 24 divisors (see below), whose sum is σ = 496557441072. Its totient is φ = 94582369536.

The previous prime is 220692195799. The next prime is 220692195827. The reversal of 220692195808 is 808591296022.

It is a super-2 number, since 2×2206921958082 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492616285 + ... + 492616732.

It is an arithmetic number, because the mean of its divisors is an integer number (20689893378).

Almost surely, 2220692195808 is an apocalyptic number.

220692195808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

220692195808 is an abundant number, since it is smaller than the sum of its proper divisors (275865245264).

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

220692195808 is an equidigital number, since it uses as much as digits as its factorization.

220692195808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985233034 (or 985233026 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 220692195808 in words is "two hundred twenty billion, six hundred ninety-two million, one hundred ninety-five thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 985233017 1970466034 3940932068 6896631119 7881864136 13793262238 15763728272 27586524476 31527456544 55173048952 110346097904 220692195808