Base | Representation |
---|---|
bin | 1110001001010110100111… |
… | …10010110011111101100000 |
3 | 11002010212102112211202222120 |
4 | 13010223103302303331200 |
5 | 13034132040324021430 |
6 | 150054403313104240 |
7 | 6360312652133061 |
oct | 704532362637540 |
9 | 132125375752876 |
10 | 31107706470240 |
11 | 9a03782365214 |
12 | 35a4a6bb58080 |
13 | 14485a09b688a |
14 | 79789a150568 |
15 | 38e2b20e3610 |
hex | 1c4ad3cb3f60 |
31107706470240 has 192 divisors, whose sum is σ = 105934352912640. Its totient is φ = 7646389217280.
The previous prime is 31107706470199. The next prime is 31107706470257. The reversal of 31107706470240 is 4207460770113.
It is a happy number.
It is a super-2 number, since 2×311077064702402 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 31107706470192 and 31107706470201.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45756246 + ... + 46431125.
It is an arithmetic number, because the mean of its divisors is an integer number (551741421420).
Almost surely, 231107706470240 is an apocalyptic number.
31107706470240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
31107706470240 is an abundant number, since it is smaller than the sum of its proper divisors (74826646442400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31107706470240 is a wasteful number, since it uses less digits than its factorization.
31107706470240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92187445 (or 92187437 counting only the distinct ones).
The product of its (nonzero) digits is 197568, while the sum is 42.
The spelling of 31107706470240 in words is "thirty-one trillion, one hundred seven billion, seven hundred six million, four hundred seventy thousand, two hundred forty".
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