Base | Representation |
---|---|
bin | 10001100111001100110… |
… | …100011001111110100011 |
3 | 11021201001102120010102022 |
4 | 101213030310121332203 |
5 | 124312214424201011 |
6 | 2324003031012055 |
7 | 153304624051304 |
oct | 21471464317643 |
9 | 4251042503368 |
10 | 1210322100131 |
11 | 4273272aa761 |
12 | 17669a50a02b |
13 | 8a195c40271 |
14 | 428193747ab |
15 | 2173aec08db |
hex | 119ccd19fa3 |
1210322100131 has 8 divisors (see below), whose sum is σ = 1221638894784. Its totient is φ = 1199036785960.
The previous prime is 1210322100109. The next prime is 1210322100139. The reversal of 1210322100131 is 1310012230121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1210322100131 is a prime.
It is a super-2 number, since 2×12103221001312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1210322100139) 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, 7792865 + ... + 7946658.
It is an arithmetic number, because the mean of its divisors is an integer number (152704861848).
Almost surely, 21210322100131 is an apocalyptic number.
1210322100131 is a deficient number, since it is larger than the sum of its proper divisors (11316794653).
1210322100131 is a wasteful number, since it uses less digits than its factorization.
1210322100131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15740241.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 1210322100131 its reverse (1310012230121), we get a palindrome (2520334330252).
The spelling of 1210322100131 in words is "one trillion, two hundred ten billion, three hundred twenty-two million, one hundred thousand, one hundred thirty-one".
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