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6480982133772 = 223540081844481
BaseRepresentation
bin101111001001111100010…
…1000110100110000001100
3211221120112210021120010220
41132103320220310300030
51322141022411240042
621441153323231340
71236143531123436
oct136237050646014
924846483246126
106480982133772
112079629501533
12888083978550
13380200425c93
14185977347656
15b38ba1a28ec
hex5e4f8a34c0c

6480982133772 has 12 divisors (see below), whose sum is σ = 15122291645496. Its totient is φ = 2160327377920.

The previous prime is 6480982133761. The next prime is 6480982133779. The reversal of 6480982133772 is 2773312890846.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×64809821337722 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6480982133779) 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, 270040922229 + ... + 270040922252.

It is an arithmetic number, because the mean of its divisors is an integer number (1260190970458).

Almost surely, 26480982133772 is an apocalyptic number.

It is an amenable number.

6480982133772 is an abundant number, since it is smaller than the sum of its proper divisors (8641309511724).

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

6480982133772 is a wasteful number, since it uses less digits than its factorization.

6480982133772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540081844488 (or 540081844486 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 6480982133772 in words is "six trillion, four hundred eighty billion, nine hundred eighty-two million, one hundred thirty-three thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 540081844481 1080163688962 1620245533443 2160327377924 3240491066886 6480982133772