Base | Representation |
---|---|
bin | 10010111100101100111… |
… | …111110111101010000000 |
3 | 11121111000200101020202210 |
4 | 102330230333313222000 |
5 | 132313230241444412 |
6 | 2434105033342120 |
7 | 163034665434102 |
oct | 22745477675200 |
9 | 4544020336683 |
10 | 1302130031232 |
11 | 462259502188 |
12 | 190440867940 |
13 | 95a3749b554 |
14 | 47048411572 |
15 | 23d10e2083c |
hex | 12f2cff7a80 |
1302130031232 has 64 divisors (see below), whose sum is σ = 3609164784960. Its totient is φ = 415171891200.
The previous prime is 1302130031171. The next prime is 1302130031233. The reversal of 1302130031232 is 2321300312031.
It is a tau number, because it is divible by the number of its divisors (64).
It is a junction number, because it is equal to n+sod(n) for n = 1302130031199 and 1302130031208.
It is not an unprimeable number, because it can be changed into a prime (1302130031233) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73707769 + ... + 73725432.
It is an arithmetic number, because the mean of its divisors is an integer number (56393199765).
Almost surely, 21302130031232 is an apocalyptic number.
1302130031232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1302130031232 is an abundant number, since it is smaller than the sum of its proper divisors (2307034753728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1302130031232 is a wasteful number, since it uses less digits than its factorization.
1302130031232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 147433241 (or 147433229 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1302130031232 its reverse (2321300312031), we get a palindrome (3623430343263).
The spelling of 1302130031232 in words is "one trillion, three hundred two billion, one hundred thirty million, thirty-one thousand, two hundred thirty-two".
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