Base | Representation |
---|---|
bin | 11100111110010111… |
… | …011100001101000100 |
3 | 2222022012000210120012 |
4 | 130332113130031010 |
5 | 1002203420301200 |
6 | 22143042525352 |
7 | 2150651005034 |
oct | 347627341504 |
9 | 88265023505 |
10 | 31111103300 |
11 | 12215452422 |
12 | 6043066858 |
13 | 2c1a632884 |
14 | 1711c378c4 |
15 | c21454a35 |
hex | 73e5dc344 |
31111103300 has 72 divisors (see below), whose sum is σ = 71626415616. Its totient is φ = 11688808960.
The previous prime is 31111103279. The next prime is 31111103311. The reversal of 31111103300 is 330111113.
It is a happy number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 836909 + ... + 873291.
It is an arithmetic number, because the mean of its divisors is an integer number (994811328).
Almost surely, 231111103300 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31111103300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35813207808).
31111103300 is an abundant number, since it is smaller than the sum of its proper divisors (40515312316).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31111103300 is a wasteful number, since it uses less digits than its factorization.
31111103300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36917 (or 36910 counting only the distinct ones).
The product of its (nonzero) digits is 27, while the sum is 14.
Adding to 31111103300 its reverse (330111113), we get a palindrome (31441214413).
The spelling of 31111103300 in words is "thirty-one billion, one hundred eleven million, one hundred three thousand, three hundred".
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