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1464464430561 = 311967169327107
BaseRepresentation
bin10101010011111000111…
…000011101010111100001
312012000001001012011122010
4111103320320131113201
5142443210343234221
63040433215103133
7210542536162206
oct25237070352741
95160031164563
101464464430561
11515091aa1090
121b79a6211aa9
13a8138265842
1450c47d89cad
15281627c6c76
hex154f8e1d5e1

1464464430561 has 32 divisors (see below), whose sum is σ = 2133671113728. Its totient is φ = 886079960640.

The previous prime is 1464464430479. The next prime is 1464464430589. The reversal of 1464464430561 is 1650344644641.

It is not a de Polignac number, because 1464464430561 - 214 = 1464464414177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1464464430561.

It is not an unprimeable number, because it can be changed into a prime (1464464430761) 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, 54011770 + ... + 54038876.

It is an arithmetic number, because the mean of its divisors is an integer number (66677222304).

Almost surely, 21464464430561 is an apocalyptic number.

1464464430561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1464464430561 is a deficient number, since it is larger than the sum of its proper divisors (669206683167).

1464464430561 is a wasteful number, since it uses less digits than its factorization.

1464464430561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29781.

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 1464464430561 in words is "one trillion, four hundred sixty-four billion, four hundred sixty-four million, four hundred thirty thousand, five hundred sixty-one".

Divisors: 1 3 11 33 967 1693 2901 5079 10637 18623 27107 31911 55869 81321 298177 894531 1637131 4911393 18008441 26212469 45892151 54025323 78637407 137676453 288337159 504813661 865011477 1514440983 44377710017 133133130051 488154810187 1464464430561