Base | Representation |
---|---|
bin | 111101000011011000… |
… | …1000010011110101000 |
3 | 110112102021122011012220 |
4 | 1322012301002132220 |
5 | 4122003131133112 |
6 | 140121530434040 |
7 | 12321012535164 |
oct | 1720661023650 |
9 | 415367564186 |
10 | 131110021032 |
11 | 50670209391 |
12 | 214b0592920 |
13 | c495b53803 |
14 | 64baa95ca4 |
15 | 362552898c |
hex | 1e86c427a8 |
131110021032 has 64 divisors (see below), whose sum is σ = 339414192000. Its totient is φ = 42154447104.
The previous prime is 131110021019. The next prime is 131110021033. The reversal of 131110021032 is 230120011131.
It is a happy number.
It is a super-2 number, since 2×1311100210322 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (131110021033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612069 + ... + 798027.
It is an arithmetic number, because the mean of its divisors is an integer number (5303346750).
Almost surely, 2131110021032 is an apocalyptic number.
131110021032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 131110021032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169707096000).
131110021032 is an abundant number, since it is smaller than the sum of its proper divisors (208304170968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131110021032 is a wasteful number, since it uses less digits than its factorization.
131110021032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187010 (or 187006 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 131110021032 its reverse (230120011131), we get a palindrome (361230032163).
Subtracting 131110021032 from its reverse (230120011131), we obtain a palindrome (99009990099).
The spelling of 131110021032 in words is "one hundred thirty-one billion, one hundred ten million, twenty-one thousand, thirty-two".
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