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64321141163461 = 71359116571027717
BaseRepresentation
bin11101001111111111011101…
…10001010100010111000101
322102202001002220211121212121
432213333232301110113011
531412314144114212321
6344444420242045541
716356022560666250
oct1647775661242705
9272661086747777
1064321141163461
1119549496379a96
127269a500498b1
1329b75c44143b0
1411c5234876097
15768219250441
hex3a7feec545c5

64321141163461 has 32 divisors (see below), whose sum is σ = 80513236903680. Its totient is φ = 50024544938496.

The previous prime is 64321141163399. The next prime is 64321141163479. The reversal of 64321141163461 is 16436114112346.

It is a cyclic number.

It is not a de Polignac number, because 64321141163461 - 27 = 64321141163333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64321141133461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62072575 + ... + 63100291.

It is an arithmetic number, because the mean of its divisors is an integer number (2516038653240).

Almost surely, 264321141163461 is an apocalyptic number.

It is an amenable number.

64321141163461 is a deficient number, since it is larger than the sum of its proper divisors (16192095740219).

64321141163461 is a wasteful number, since it uses less digits than its factorization.

64321141163461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039453.

The product of its digits is 248832, while the sum is 43.

The spelling of 64321141163461 in words is "sixty-four trillion, three hundred twenty-one billion, one hundred forty-one million, one hundred sixty-three thousand, four hundred sixty-one".

Divisors: 1 7 13 59 91 413 767 5369 11657 81599 151541 687763 1027717 1060787 4814341 7194019 8940919 13360321 60635303 62586433 93522247 424447121 788258939 5517812573 11980097069 83860679483 155741261897 706825727071 1090188833279 4947780089497 9188734451923 64321141163461