Base | Representation |
---|---|
bin | 11101110000100011… |
… | …011111101100011100 |
3 | 10001110212102212222122 |
4 | 131300203133230130 |
5 | 1010414444432444 |
6 | 22402402202112 |
7 | 2210554034165 |
oct | 356043375434 |
9 | 101425385878 |
10 | 31953124124 |
11 | 126077840a9 |
12 | 6239053338 |
13 | 3022c0904c |
14 | 17919c076c |
15 | c7032c4ee |
hex | 7708dfb1c |
31953124124 has 12 divisors (see below), whose sum is σ = 55919339448. Its totient is φ = 15976170000.
The previous prime is 31953124121. The next prime is 31953124139. The reversal of 31953124124 is 42142135913.
It is a happy number.
It is a super-3 number, since 3×319531241243 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31953124121) 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, 161999 + ... + 300249.
It is an arithmetic number, because the mean of its divisors is an integer number (4659944954).
Almost surely, 231953124124 is an apocalyptic number.
It is an amenable number.
31953124124 is a deficient number, since it is larger than the sum of its proper divisors (23966215324).
31953124124 is a wasteful number, since it uses less digits than its factorization.
31953124124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196036 (or 196034 counting only the distinct ones).
The product of its digits is 25920, while the sum is 35.
The spelling of 31953124124 in words is "thirty-one billion, nine hundred fifty-three million, one hundred twenty-four thousand, one hundred twenty-four".
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