Base | Representation |
---|---|
bin | 111100101011110111… |
… | …1001111100011000001 |
3 | 110110101021222210210222 |
4 | 1321113233033203001 |
5 | 4113344140133441 |
6 | 135511343432425 |
7 | 12262322254664 |
oct | 1712757174301 |
9 | 413337883728 |
10 | 130321021121 |
11 | 502a5901045 |
12 | 213102b5715 |
13 | c39b552765 |
14 | 6443d916db |
15 | 35cb125d4b |
hex | 1e57bcf8c1 |
130321021121 has 8 divisors (see below), whose sum is σ = 131669197440. Its totient is φ = 128979536112.
The previous prime is 130321021111. The next prime is 130321021133. The reversal of 130321021121 is 121120123031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 130321021121 - 210 = 130321020097 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 130321021121.
It is not an unprimeable number, because it can be changed into a prime (130321021111) 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, 1633670 + ... + 1711583.
It is an arithmetic number, because the mean of its divisors is an integer number (16458649680).
Almost surely, 2130321021121 is an apocalyptic number.
It is an amenable number.
130321021121 is a deficient number, since it is larger than the sum of its proper divisors (1348176319).
130321021121 is a wasteful number, since it uses less digits than its factorization.
130321021121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3345655.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 130321021121 its reverse (121120123031), we get a palindrome (251441144152).
The spelling of 130321021121 in words is "one hundred thirty billion, three hundred twenty-one million, twenty-one thousand, one hundred twenty-one".
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