Base | Representation |
---|---|
bin | 101011110101010101… |
… | …1011100100011110011 |
3 | 22222222012011020221221 |
4 | 1113222223130203303 |
5 | 3020240140232211 |
6 | 111124330125511 |
7 | 6541445102566 |
oct | 1275253344363 |
9 | 288865136857 |
10 | 94131570931 |
11 | 36a148aa522 |
12 | 162b0580897 |
13 | 8b51a8c4c8 |
14 | 47ad9004dd |
15 | 26ade40c71 |
hex | 15eaadc8f3 |
94131570931 has 16 divisors (see below), whose sum is σ = 101707824960. Its totient is φ = 86851515520.
The previous prime is 94131570917. The next prime is 94131570991. The reversal of 94131570931 is 13907513149.
It is a cyclic number.
It is not a de Polignac number, because 94131570931 - 29 = 94131570419 is a prime.
It is a super-4 number, since 4×941315709314 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (94131570991) 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, 641181 + ... + 774193.
It is an arithmetic number, because the mean of its divisors is an integer number (6356739060).
Almost surely, 294131570931 is an apocalyptic number.
94131570931 is a deficient number, since it is larger than the sum of its proper divisors (7576254029).
94131570931 is a wasteful number, since it uses less digits than its factorization.
94131570931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 134126.
The product of its (nonzero) digits is 102060, while the sum is 43.
The spelling of 94131570931 in words is "ninety-four billion, one hundred thirty-one million, five hundred seventy thousand, nine hundred thirty-one".
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