Base | Representation |
---|---|
bin | 100101100001011010… |
… | …1101110100010100110 |
3 | 21200222122020111211212 |
4 | 1023002311232202212 |
5 | 2310011014303434 |
6 | 101003412031422 |
7 | 5551543016663 |
oct | 1130265564246 |
9 | 250878214755 |
10 | 80578275494 |
11 | 3119a377012 |
12 | 13749602572 |
13 | 77a1b95372 |
14 | 3c858a8a6a |
15 | 21691498ce |
hex | 12c2d6e8a6 |
80578275494 has 8 divisors (see below), whose sum is σ = 120885122520. Its totient is φ = 40283234656.
The previous prime is 80578275493. The next prime is 80578275517. The reversal of 80578275494 is 49457287508.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80578275493) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934464 + ... + 2961795.
It is an arithmetic number, because the mean of its divisors is an integer number (15110640315).
Almost surely, 280578275494 is an apocalyptic number.
80578275494 is a deficient number, since it is larger than the sum of its proper divisors (40306847026).
80578275494 is a wasteful number, since it uses less digits than its factorization.
80578275494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5903094.
The product of its (nonzero) digits is 22579200, while the sum is 59.
The spelling of 80578275494 in words is "eighty billion, five hundred seventy-eight million, two hundred seventy-five thousand, four hundred ninety-four".
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