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64674546420101 = 312086275690971
BaseRepresentation
bin11101011010010001101110…
…10111011000100110000101
322110222211022100011210011212
432231020313113120212011
531434111432340420401
6345315024303141205
716423403360054402
oct1655106727304605
9273884270153155
1064674546420101
1119675359435022
12730643a8a4805
132a11a25629377
1411d839c6832a9
157725001e8dbb
hex3ad2375d8985

64674546420101 has 4 divisors (see below), whose sum is σ = 66760822111104. Its totient is φ = 62588270729100.

The previous prime is 64674546420089. The next prime is 64674546420119. The reversal of 64674546420101 is 10102464547646.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64674546420101 - 230 = 64673472678277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64674546420101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64674546423101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043137845455 + ... + 1043137845516.

It is an arithmetic number, because the mean of its divisors is an integer number (16690205527776).

Almost surely, 264674546420101 is an apocalyptic number.

It is an amenable number.

64674546420101 is a deficient number, since it is larger than the sum of its proper divisors (2086275691003).

64674546420101 is a wasteful number, since it uses less digits than its factorization.

64674546420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2086275691002.

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 64674546420101 in words is "sixty-four trillion, six hundred seventy-four billion, five hundred forty-six million, four hundred twenty thousand, one hundred one".

Divisors: 1 31 2086275690971 64674546420101