Base | Representation |
---|---|
bin | 1110001111100110011001… |
… | …11110010110101000000110 |
3 | 11002220101102202111010210000 |
4 | 13013303030332112220012 |
5 | 13101141123121420402 |
6 | 150341141243342130 |
7 | 6411651536453664 |
oct | 707631476265006 |
9 | 132811382433700 |
10 | 31322340420102 |
11 | 9a86803660556 |
12 | 361a590521946 |
13 | 14628b7a69284 |
14 | 7a401b9abc34 |
15 | 394b75172c1c |
hex | 1c7cccf96a06 |
31322340420102 has 80 divisors (see below), whose sum is σ = 70272900903744. Its totient is φ = 10427743872000.
The previous prime is 31322340420101. The next prime is 31322340420121. The reversal of 31322340420102 is 20102404322313.
31322340420102 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 234 + 0 + 420 + 1 + 0 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31322340420101) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1378552102 + ... + 1378574822.
Almost surely, 231322340420102 is an apocalyptic number.
31322340420102 is an abundant number, since it is smaller than the sum of its proper divisors (38950560483642).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31322340420102 is a wasteful number, since it uses less digits than its factorization.
31322340420102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32987 (or 32978 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 31322340420102 its reverse (20102404322313), we get a palindrome (51424744742415).
The spelling of 31322340420102 in words is "thirty-one trillion, three hundred twenty-two billion, three hundred forty million, four hundred twenty thousand, one hundred two".
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