Base | Representation |
---|---|
bin | 100111111100110111… |
… | …1100011110001001001 |
3 | 22012110011020201000120 |
4 | 1033321233203301021 |
5 | 2401201324411211 |
6 | 103225143053453 |
7 | 6125031064263 |
oct | 1177157436111 |
9 | 265404221016 |
10 | 85794372681 |
11 | 33426761036 |
12 | 14764441289 |
13 | 81237260c4 |
14 | 421c53cb33 |
15 | 2372039d06 |
hex | 13f9be3c49 |
85794372681 has 8 divisors (see below), whose sum is σ = 120413154720. Its totient is φ = 54185919552.
The previous prime is 85794372661. The next prime is 85794372683. The reversal of 85794372681 is 18627349758.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 85794372681 - 217 = 85794241609 is a prime.
It is a super-2 number, since 2×857943726812 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (85794372683) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752582160 + ... + 752582273.
It is an arithmetic number, because the mean of its divisors is an integer number (15051644340).
Almost surely, 285794372681 is an apocalyptic number.
It is an amenable number.
85794372681 is a deficient number, since it is larger than the sum of its proper divisors (34618782039).
85794372681 is a wasteful number, since it uses less digits than its factorization.
85794372681 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1505164455.
The product of its digits is 20321280, while the sum is 60.
The spelling of 85794372681 in words is "eighty-five billion, seven hundred ninety-four million, three hundred seventy-two thousand, six hundred eighty-one".
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