Base | Representation |
---|---|
bin | 11100111111110001… |
… | …100000010001101110 |
3 | 2222100211110021220101 |
4 | 130333301200101232 |
5 | 1002230441303232 |
6 | 22145244541314 |
7 | 2151355456564 |
oct | 347761402156 |
9 | 88324407811 |
10 | 31134712942 |
11 | 12227808723 |
12 | 604ab5183a |
13 | 2c224aac88 |
14 | 1715021a34 |
15 | c2356a1e7 |
hex | 73fc6046e |
31134712942 has 8 divisors (see below), whose sum is σ = 47583240696. Its totient is φ = 15273632712.
The previous prime is 31134712901. The next prime is 31134712943. The reversal of 31134712942 is 24921743113.
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 (31134712943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146861748 + ... + 146861959.
It is an arithmetic number, because the mean of its divisors is an integer number (5947905087).
Almost surely, 231134712942 is an apocalyptic number.
31134712942 is a deficient number, since it is larger than the sum of its proper divisors (16448527754).
31134712942 is a wasteful number, since it uses less digits than its factorization.
31134712942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 293723762.
The product of its digits is 36288, while the sum is 37.
The spelling of 31134712942 in words is "thirty-one billion, one hundred thirty-four million, seven hundred twelve thousand, nine hundred forty-two".
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