Base | Representation |
---|---|
bin | 111101000011001011… |
… | …1011010000111100000 |
3 | 110112101210222210121000 |
4 | 1322012113122013200 |
5 | 4121444421131422 |
6 | 140121130432000 |
7 | 12320601452406 |
oct | 1720627320740 |
9 | 415353883530 |
10 | 131103302112 |
11 | 5066743a362 |
12 | 214aa292600 |
13 | c494640513 |
14 | 64b9c27476 |
15 | 3624b4ccac |
hex | 1e865da1e0 |
131103302112 has 48 divisors (see below), whose sum is σ = 382384633680. Its totient is φ = 43701100416.
The previous prime is 131103302053. The next prime is 131103302117. The reversal of 131103302112 is 211203301131.
131103302112 is a `hidden beast` number, since 1 + 311 + 0 + 330 + 21 + 1 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131103302117) 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, 75869103 + ... + 75870830.
It is an arithmetic number, because the mean of its divisors is an integer number (7966346535).
Almost surely, 2131103302112 is an apocalyptic number.
131103302112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
131103302112 is an abundant number, since it is smaller than the sum of its proper divisors (251281331568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131103302112 is a wasteful number, since it uses less digits than its factorization.
131103302112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151739952 (or 151739938 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 131103302112 its reverse (211203301131), we get a palindrome (342306603243).
The spelling of 131103302112 in words is "one hundred thirty-one billion, one hundred three million, three hundred two thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •