Base | Representation |
---|---|
bin | 1110001100000110011101… |
… | …01111100000110111001101 |
3 | 11002110220002202121210002020 |
4 | 13012003032233200313031 |
5 | 13042203410404000023 |
6 | 150210015113520353 |
7 | 6400164253322232 |
oct | 706031657406715 |
9 | 132426082553066 |
10 | 31202111000013 |
11 | 9a3a817249758 |
12 | 35bb217a130b9 |
13 | 1454467196895 |
14 | 79c293dc5789 |
15 | 391989ea0de3 |
hex | 1c60cebe0dcd |
31202111000013 has 8 divisors (see below), whose sum is σ = 41605535822400. Its totient is φ = 20800046755488.
The previous prime is 31202110999967. The next prime is 31202111000017. The reversal of 31202111000013 is 31000011120213.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 31202111000013 - 212 = 31202110995917 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 31202110999956 and 31202111000001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31202111000017) 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, 340090953 + ... + 340182686.
It is an arithmetic number, because the mean of its divisors is an integer number (5200691977800).
Almost surely, 231202111000013 is an apocalyptic number.
It is an amenable number.
31202111000013 is a deficient number, since it is larger than the sum of its proper divisors (10403424822387).
31202111000013 is a wasteful number, since it uses less digits than its factorization.
31202111000013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 680288931.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 31202111000013 its reverse (31000011120213), we get a palindrome (62202122120226).
The spelling of 31202111000013 in words is "thirty-one trillion, two hundred two billion, one hundred eleven million, thirteen", and thus it is an aban number.
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