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64222631105 = 566119431961
BaseRepresentation
bin111011110011111101…
…111001010011000001
320010202210012200122212
4323303331321103001
52023011443143410
645300425511505
74432332233363
oct736375712301
9203683180585
1064222631105
1125267001336
1210544042595
13609652aa89
1431735dad33
151a0d302b05
hexef3f794c1

64222631105 has 8 divisors (see below), whose sum is σ = 77183753064. Its totient is φ = 51300374400.

The previous prime is 64222631071. The next prime is 64222631113. The reversal of 64222631105 is 50113622246.

It can be written as a sum of positive squares in 4 ways, for example, as 13869066289 + 50353564816 = 117767^2 + 224396^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64222631105 - 212 = 64222627009 is a prime.

It is a Duffinian number.

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, 9712676 + ... + 9719285.

It is an arithmetic number, because the mean of its divisors is an integer number (9647969133).

Almost surely, 264222631105 is an apocalyptic number.

It is an amenable number.

64222631105 is a deficient number, since it is larger than the sum of its proper divisors (12961121959).

64222631105 is a wasteful number, since it uses less digits than its factorization.

64222631105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19432627.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 64222631105 in words is "sixty-four billion, two hundred twenty-two million, six hundred thirty-one thousand, one hundred five".

Divisors: 1 5 661 3305 19431961 97159805 12844526221 64222631105