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6480982133780 = 22571140031051319
BaseRepresentation
bin101111001001111100010…
…1000110100110000010100
3211221120112210021120011012
41132103320220310300110
51322141022411240110
621441153323231352
71236143531123450
oct136237050646024
924846483246135
106480982133780
112079629501540
12888083978558
13380200425c9b
14185977347660
15b38ba1a2905
hex5e4f8a34c14

6480982133780 has 96 divisors (see below), whose sum is σ = 16972644648960. Its totient is φ = 2019539825280.

The previous prime is 6480982133779. The next prime is 6480982133807. The reversal of 6480982133780 is 873312890846.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5638961 + ... + 6690279.

It is an arithmetic number, because the mean of its divisors is an integer number (176798381760).

Almost surely, 26480982133780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6480982133780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8486322324480).

6480982133780 is an abundant number, since it is smaller than the sum of its proper divisors (10491662515180).

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

6480982133780 is a wasteful number, since it uses less digits than its factorization.

6480982133780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055349 (or 1055347 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 6480982133780 in words is "six trillion, four hundred eighty billion, nine hundred eighty-two million, one hundred thirty-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 4003 8006 16012 20015 28021 40030 44033 56042 80060 88066 112084 140105 176132 220165 280210 308231 440330 560420 616462 880660 1051319 1232924 1541155 2102638 3082310 4205276 5256595 6164620 7359233 10513190 11564509 14718466 21026380 23129018 29436932 36796165 46258036 57822545 73592330 80951563 115645090 147184660 161903126 231290180 323806252 404757815 809515630 1619031260 4208429957 8416859914 16833719828 21042149785 29459009699 42084299570 46292729527 58918019398 84168599140 92585459054 117836038796 147295048495 185170918108 231463647635 294590096990 324049106689 462927295270 589180193980 648098213378 925854590540 1296196426756 1620245533445 3240491066890 6480982133780