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64204226671 = 1312703388789
BaseRepresentation
bin111011110010110111…
…101100000001101111
320010201111120122112011
4323302313230001233
52022442240223141
645254531222051
74432016631214
oct736267540157
9203644518464
1064204226671
1125257680862
1210539a47927
136092785990
143170da9b0b
151a0b8b9881
hexef2dec06f

64204226671 has 8 divisors (see below), whose sum is σ = 69148634240. Its totient is φ = 59260622112.

The previous prime is 64204226657. The next prime is 64204226687. The reversal of 64204226671 is 17662240246.

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

It is a cyclic number.

It is not a de Polignac number, because 64204226671 - 29 = 64204226159 is a prime.

It is a super-2 number, since 2×642042266712 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64204226071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29256 + ... + 359533.

It is an arithmetic number, because the mean of its divisors is an integer number (8643579280).

Almost surely, 264204226671 is an apocalyptic number.

64204226671 is a deficient number, since it is larger than the sum of its proper divisors (4944407569).

64204226671 is a wasteful number, since it uses less digits than its factorization.

64204226671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401505.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 64204226671 in words is "sixty-four billion, two hundred four million, two hundred twenty-six thousand, six hundred seventy-one".

Divisors: 1 13 12703 165139 388789 5054257 4938786667 64204226671