Base | Representation |
---|---|
bin | 111101000001000000… |
… | …0101011000011100000 |
3 | 110112012201111112001011 |
4 | 1322002000223003200 |
5 | 4121322214431222 |
6 | 140110000350304 |
7 | 12316023415006 |
oct | 1720200530340 |
9 | 415181445034 |
10 | 131030233312 |
11 | 5062a172720 |
12 | 21489915394 |
13 | c482468c44 |
14 | 64b0246a76 |
15 | 361d517c77 |
hex | 1e8202b0e0 |
131030233312 has 48 divisors (see below), whose sum is σ = 281534061312. Its totient is φ = 59534465920.
The previous prime is 131030233307. The next prime is 131030233339. The reversal of 131030233312 is 213332030131.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 785283 + ... + 937405.
It is an arithmetic number, because the mean of its divisors is an integer number (5865292944).
Almost surely, 2131030233312 is an apocalyptic number.
It is an amenable number.
131030233312 is an abundant number, since it is smaller than the sum of its proper divisors (150503828000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131030233312 is a wasteful number, since it uses less digits than its factorization.
131030233312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 154591 (or 154583 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 22.
Adding to 131030233312 its reverse (213332030131), we get a palindrome (344362263443).
The spelling of 131030233312 in words is "one hundred thirty-one billion, thirty million, two hundred thirty-three thousand, three hundred twelve".
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