Base | Representation |
---|---|
bin | 100101100110000101… |
… | …0011000100100110101 |
3 | 21201101112112222000210 |
4 | 1023030022120210311 |
5 | 2310321034413433 |
6 | 101031120300033 |
7 | 5555452334550 |
oct | 1131412304465 |
9 | 251345488023 |
10 | 80734685493 |
11 | 3126a697180 |
12 | 13791a71619 |
13 | 77c83c9a67 |
14 | 3c9c581697 |
15 | 2177c43463 |
hex | 12cc298935 |
80734685493 has 16 divisors (see below), whose sum is σ = 134208308736. Its totient is φ = 41940096240.
The previous prime is 80734685477. The next prime is 80734685519. The reversal of 80734685493 is 39458643708.
It is not a de Polignac number, because 80734685493 - 24 = 80734685477 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80734685693) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174750171 + ... + 174750632.
It is an arithmetic number, because the mean of its divisors is an integer number (8388019296).
Almost surely, 280734685493 is an apocalyptic number.
It is an amenable number.
80734685493 is a deficient number, since it is larger than the sum of its proper divisors (53473623243).
80734685493 is a wasteful number, since it uses less digits than its factorization.
80734685493 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 349500824.
The product of its (nonzero) digits is 17418240, while the sum is 57.
The spelling of 80734685493 in words is "eighty billion, seven hundred thirty-four million, six hundred eighty-five thousand, four hundred ninety-three".
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