Base | Representation |
---|---|
bin | 1110001000110001011100… |
… | …00001101011110101010100 |
3 | 11002001221220102201111220100 |
4 | 13010120232001223311110 |
5 | 13033320200320411233 |
6 | 150041302455534100 |
7 | 6356005212420222 |
oct | 704305601536524 |
9 | 132057812644810 |
10 | 31087745482068 |
11 | 99a6269961380 |
12 | 35a101b08a330 |
13 | 144673c41aa82 |
14 | 796925101b12 |
15 | 38d9e49d1813 |
hex | 1c462e06bd54 |
31087745482068 has 108 divisors (see below), whose sum is σ = 89616121122528. Its totient is φ = 9010940658720.
The previous prime is 31087745482043. The next prime is 31087745482069. The reversal of 31087745482068 is 86028454778013.
It is a happy number.
31087745482068 is a `hidden beast` number, since 3 + 1 + 0 + 8 + 7 + 7 + 4 + 548 + 20 + 68 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 31087745481996 and 31087745482014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31087745482069) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 73991280 + ... + 74410247.
Almost surely, 231087745482068 is an apocalyptic number.
It is an amenable number.
31087745482068 is an abundant number, since it is smaller than the sum of its proper divisors (58528375640460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31087745482068 is a wasteful number, since it uses less digits than its factorization.
31087745482068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148401594 (or 148401566 counting only the distinct ones).
The product of its (nonzero) digits is 72253440, while the sum is 63.
The spelling of 31087745482068 in words is "thirty-one trillion, eighty-seven billion, seven hundred forty-five million, four hundred eighty-two thousand, sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.063 sec. • engine limits •