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80354792398 = 21723472186287
BaseRepresentation
bin100101011010110000…
…1001101001111001110
321200102001201101200011
41022311201031033032
52304031311324043
6100525310023434
75543160315526
oct1126541151716
9250361641604
1080354792398
1131095204941
12136a67a7b7a
1377677a844a
143c63d32686
15215470259d
hex12b584d3ce

80354792398 has 32 divisors (see below), whose sum is σ = 136004603904. Its totient is φ = 35400342912.

The previous prime is 80354792377. The next prime is 80354792411. The reversal of 80354792398 is 89329745308.

It is a super-2 number, since 2×803547923982 (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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056390 + ... + 1129897.

It is an arithmetic number, because the mean of its divisors is an integer number (4250143872).

Almost surely, 280354792398 is an apocalyptic number.

80354792398 is a deficient number, since it is larger than the sum of its proper divisors (55649811506).

80354792398 is a wasteful number, since it uses less digits than its factorization.

80354792398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186376.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 80354792398 in words is "eighty billion, three hundred fifty-four million, seven hundred ninety-two thousand, three hundred ninety-eight".

Divisors: 1 2 17 23 34 46 47 94 391 782 799 1081 1598 2162 18377 36754 2186287 4372574 37166879 50284601 74333758 100569202 102755489 205510978 854838217 1709676434 1746843313 2363376247 3493686626 4726752494 40177396199 80354792398