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64901441145630 = 2352163381371521
BaseRepresentation
bin11101100000111000010110…
…10110000100101100011110
322111210111222000122002021210
432300130023112010230132
532001321122413130010
6350011151020405250
716445655133314045
oct1660341326045436
9274714860562253
1064901441145630
1119752601605611
1273424013a6826
132a2a2448898cb
14120536460155c
1577837e85ab20
hex3b070b584b1e

64901441145630 has 16 divisors (see below), whose sum is σ = 155763458749584. Its totient is φ = 17307050972160.

The previous prime is 64901441145533. The next prime is 64901441145637. The reversal of 64901441145630 is 3654114410946.

It is a self number, because there is not a number n which added to its sum of digits gives 64901441145630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64901441145637) 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, 1081690685731 + ... + 1081690685790.

It is an arithmetic number, because the mean of its divisors is an integer number (9735216171849).

Almost surely, 264901441145630 is an apocalyptic number.

64901441145630 is an abundant number, since it is smaller than the sum of its proper divisors (90862017603954).

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

64901441145630 is a wasteful number, since it uses less digits than its factorization.

64901441145630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163381371531.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 64901441145630 in words is "sixty-four trillion, nine hundred one billion, four hundred forty-one million, one hundred forty-five thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2163381371521 4326762743042 6490144114563 10816906857605 12980288229126 21633813715210 32450720572815 64901441145630