Base | Representation |
---|---|
bin | 11100111110010111… |
… | …011110011001101100 |
3 | 2222022012001020220112 |
4 | 130332113132121230 |
5 | 1002203421043200 |
6 | 22143043035152 |
7 | 2150651043212 |
oct | 347627363154 |
9 | 88265036815 |
10 | 31111112300 |
11 | 12215459164 |
12 | 604306bab8 |
13 | 2c1a6369b8 |
14 | 1711c3acb2 |
15 | c21457535 |
hex | 73e5de66c |
31111112300 has 36 divisors (see below), whose sum is σ = 67553629416. Its totient is φ = 12436608000.
The previous prime is 31111112281. The next prime is 31111112321. The reversal of 31111112300 is 321111113.
It is a happy number.
It is a super-2 number, since 2×311111123002 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62939 + ... + 257261.
It is an arithmetic number, because the mean of its divisors is an integer number (1876489706).
Almost surely, 231111112300 is an apocalyptic number.
It is an amenable number.
31111112300 is an abundant number, since it is smaller than the sum of its proper divisors (36442517116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31111112300 is a wasteful number, since it uses less digits than its factorization.
31111112300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195938 (or 195931 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 14.
Adding to 31111112300 its reverse (321111113), we get a palindrome (31432223413).
The spelling of 31111112300 in words is "thirty-one billion, one hundred eleven million, one hundred twelve thousand, three hundred".
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