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80678295504 = 2432560265941
BaseRepresentation
bin100101100100011001…
…1010001011111010000
321201020121110001111200
41023020303101133100
52310212120424004
6101021343511200
75554166124342
oct1131063213720
9251217401450
1080678295504
1131240881584
1213776bb8500
1377b9814cc1
143c94ca3292
152172d05239
hex12c8cd17d0

80678295504 has 30 divisors (see below), whose sum is σ = 225787174626. Its totient is φ = 26892765120.

The previous prime is 80678295499. The next prime is 80678295527. The reversal of 80678295504 is 40559287608.

80678295504 is a `hidden beast` number, since 8 + 0 + 6 + 7 + 82 + 9 + 550 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56004169104 + 24674126400 = 236652^2 + 157080^2 .

It is a super-2 number, since 2×806782955042 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280132827 + ... + 280133114.

Almost surely, 280678295504 is an apocalyptic number.

It is an amenable number.

80678295504 is an abundant number, since it is smaller than the sum of its proper divisors (145108879122).

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

80678295504 is a wasteful number, since it uses less digits than its factorization.

80678295504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560265955 (or 560265946 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 80678295504 in words is "eighty billion, six hundred seventy-eight million, two hundred ninety-five thousand, five hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 560265941 1120531882 1680797823 2241063764 3361595646 4482127528 5042393469 6723191292 8964255056 10084786938 13446382584 20169573876 26892765168 40339147752 80678295504