Base | Representation |
---|---|
bin | 11101100110111110001001… |
… | …100010111111111110000001 |
3 | 122002002001020201212122111201 |
4 | 131212332021202333332001 |
5 | 114032021432300212204 |
6 | 1140542521152341201 |
7 | 36300121132050664 |
oct | 3546761142777601 |
9 | 562061221778451 |
10 | 130221421100929 |
11 | 3854665a389624 |
12 | 1273194a544801 |
13 | 5787a9a807cc2 |
14 | 2422a711ab6db |
15 | 100c5583ea9a4 |
hex | 766f898bff81 |
130221421100929 has 2 divisors, whose sum is σ = 130221421100930. Its totient is φ = 130221421100928.
The previous prime is 130221421100887. The next prime is 130221421100963. The reversal of 130221421100929 is 929001124122031.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 120470490569025 + 9750930531904 = 10975905^2 + 3122648^2 .
It is a cyclic number.
It is not a de Polignac number, because 130221421100929 - 219 = 130221420576641 is a prime.
It is a super-2 number, since 2×1302214211009292 (a number of 29 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (130221421140929) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65110710550464 + 65110710550465.
It is an arithmetic number, because the mean of its divisors is an integer number (65110710550465).
Almost surely, 2130221421100929 is an apocalyptic number.
It is an amenable number.
130221421100929 is a deficient number, since it is larger than the sum of its proper divisors (1).
130221421100929 is an equidigital number, since it uses as much as digits as its factorization.
130221421100929 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 15552, while the sum is 37.
The spelling of 130221421100929 in words is "one hundred thirty trillion, two hundred twenty-one billion, four hundred twenty-one million, one hundred thousand, nine hundred twenty-nine".
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