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80746208798144 = 264130772183231
BaseRepresentation
bin10010010111000000110001…
…000101111010010111000000
3101120220021002010100120202012
4102113000301011322113000
541040421213423020034
6443422143552512052
723002502220213101
oct2227006105722700
9346807063316665
1080746208798144
11238013028a980a
1290811a5b4b628
133609447795266
1415d21ccca83a8
159505da606cce
hex49703117a5c0

80746208798144 has 28 divisors (see below), whose sum is σ = 164138825359488. Its totient is φ = 39388394534400.

The previous prime is 80746208798141. The next prime is 80746208798149. The reversal of 80746208798144 is 44189780264708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80746208798141) 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 3 ways as a sum of consecutive naturals, for example, 15386088992 + ... + 15386094239.

It is an arithmetic number, because the mean of its divisors is an integer number (5862100905696).

Almost surely, 280746208798144 is an apocalyptic number.

It is an amenable number.

80746208798144 is an abundant number, since it is smaller than the sum of its proper divisors (83392616561344).

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

80746208798144 is a wasteful number, since it uses less digits than its factorization.

80746208798144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30772183284 (or 30772183274 counting only the distinct ones).

The product of its (nonzero) digits is 173408256, while the sum is 68.

The spelling of 80746208798144 in words is "eighty trillion, seven hundred forty-six billion, two hundred eight million, seven hundred ninety-eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 41 64 82 164 328 656 1312 2624 30772183231 61544366462 123088732924 246177465848 492354931696 984709863392 1261659512471 1969419726784 2523319024942 5046638049884 10093276099768 20186552199536 40373104399072 80746208798144