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74580568055 = 57103109189799
BaseRepresentation
bin100010101110101011…
…0010010011111110111
321010111122111101222022
41011131112102133313
52210220111134210
654132320223355
75250114240320
oct1053526223767
9233448441868
1074580568055
11296a1871704
1212554a6ab5b
13705741cc56
1438770d5447
151e17816155
hex115d5927f7

74580568055 has 32 divisors (see below), whose sum is σ = 104222976000. Its totient is φ = 50179554432.

The previous prime is 74580568001. The next prime is 74580568057. The reversal of 74580568055 is 55086508547.

It is a happy number.

It is not a de Polignac number, because 74580568055 - 210 = 74580567031 is a prime.

It is a super-2 number, since 2×745805680552 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74580567988 and 74580568006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74580568057) 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, 298046 + ... + 487844.

It is an arithmetic number, because the mean of its divisors is an integer number (3256968000).

Almost surely, 274580568055 is an apocalyptic number.

74580568055 is a deficient number, since it is larger than the sum of its proper divisors (29642407945).

74580568055 is a wasteful number, since it uses less digits than its factorization.

74580568055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190023.

The product of its (nonzero) digits is 6720000, while the sum is 53.

The spelling of 74580568055 in words is "seventy-four billion, five hundred eighty million, five hundred sixty-eight thousand, fifty-five".

Divisors: 1 5 7 35 103 109 515 545 721 763 3605 3815 11227 56135 78589 189799 392945 948995 1328593 6642965 19549297 20688091 97746485 103440455 136845079 144816637 684225395 724083185 2130873373 10654366865 14916113611 74580568055