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80499176258 = 243924572
BaseRepresentation
bin100101011111000011…
…1111111001101000010
321200210010101212002112
41022332013333031002
52304330242120013
6100551504415322
75546562464654
oct1127607771502
9250703355075
1080499176258
1131159760646
1213727017542
13778b68bc97
143c791986d4
152162222ba8
hex12be1ff342

80499176258 has 18 divisors (see below), whose sum is σ = 121289848281. Its totient is φ = 40070030544.

The previous prime is 80499176221. The next prime is 80499176267. The reversal of 80499176258 is 85267199408.

It can be written as a sum of positive squares in 2 ways, for example, as 67770146929 + 12729029329 = 260327^2 + 112823^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=200623.

It is a super-3 number, since 3×804991762583 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80499176197 and 80499176206.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 176146766 + ... + 176147222.

Almost surely, 280499176258 is an apocalyptic number.

80499176258 is a deficient number, since it is larger than the sum of its proper divisors (40790672023).

80499176258 is an frugal number, since it uses more digits than its factorization.

80499176258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 80499176258 in words is "eighty billion, four hundred ninety-nine million, one hundred seventy-six thousand, two hundred fifty-eight".

Divisors: 1 2 439 457 878 914 192721 200623 208849 385442 401246 417698 88073497 91684711 176146994 183369422 40249588129 80499176258