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74080478164 = 22711317758743
BaseRepresentation
bin100010011111110001…
…0100110001111010100
321002012210111012121111
41010333202212033110
52203204100300124
654010533424404
75231532450310
oct1047742461724
9232183435544
1074080478164
1129465553780
121243549b104
136ca7935c84
14382a918b40
151dd8981494
hex113f8a63d4

74080478164 has 48 divisors (see below), whose sum is σ = 166844030976. Its totient is φ = 27931471200.

The previous prime is 74080478161. The next prime is 74080478231. The reversal of 74080478164 is 46187408047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74080478161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3869824 + ... + 3888919.

It is an arithmetic number, because the mean of its divisors is an integer number (3475917312).

Almost surely, 274080478164 is an apocalyptic number.

It is an amenable number.

74080478164 is an abundant number, since it is smaller than the sum of its proper divisors (92763552812).

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

74080478164 is a wasteful number, since it uses less digits than its factorization.

74080478164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7758796 (or 7758794 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 49.

The spelling of 74080478164 in words is "seventy-four billion, eighty million, four hundred seventy-eight thousand, one hundred sixty-four".

Divisors: 1 2 4 7 11 14 22 28 31 44 62 77 124 154 217 308 341 434 682 868 1364 2387 4774 9548 7758743 15517486 31034972 54311201 85346173 108622402 170692346 217244804 240521033 341384692 481042066 597423211 962084132 1194846422 1683647231 2389692844 2645731363 3367294462 5291462726 6734588924 10582925452 18520119541 37040239082 74080478164