Base | Representation |
---|---|
bin | 11101001001110111… |
… | …101010100100000110 |
3 | 2222210122012001101220 |
4 | 131021313222210012 |
5 | 1003102322200402 |
6 | 22214135301210 |
7 | 2155513313652 |
oct | 351167524406 |
9 | 88718161356 |
10 | 31304100102 |
11 | 12304391810 |
12 | 609781a806 |
13 | 2c4b607372 |
14 | 172d715a62 |
15 | c33378dbc |
hex | 749dea906 |
31304100102 has 16 divisors (see below), whose sum is σ = 68299854912. Its totient is φ = 9486090920.
The previous prime is 31304100031. The next prime is 31304100103. The reversal of 31304100102 is 20100140313.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31304100103) 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, 237152208 + ... + 237152339.
It is an arithmetic number, because the mean of its divisors is an integer number (4268740932).
Almost surely, 231304100102 is an apocalyptic number.
31304100102 is an abundant number, since it is smaller than the sum of its proper divisors (36995754810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31304100102 is a wasteful number, since it uses less digits than its factorization.
31304100102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 474304563.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 31304100102 its reverse (20100140313), we get a palindrome (51404240415).
The spelling of 31304100102 in words is "thirty-one billion, three hundred four million, one hundred thousand, one hundred two".
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