Base | Representation |
---|---|
bin | 10001110100111101111… |
… | …001010001011011011011 |
3 | 11100010012121111200102220 |
4 | 101310331321101123123 |
5 | 130033003122300011 |
6 | 2334445520355123 |
7 | 154340136026046 |
oct | 21647571213333 |
9 | 4303177450386 |
10 | 1225104103131 |
11 | 432622367367 |
12 | 179524a75aa3 |
13 | 8b6b05704bc |
14 | 4341c64dc5d |
15 | 21d03ac3506 |
hex | 11d3de516db |
1225104103131 has 32 divisors (see below), whose sum is σ = 1731614480640. Its totient is φ = 767779762176.
The previous prime is 1225104103129. The next prime is 1225104103207. The reversal of 1225104103131 is 1313014015221.
It is not a de Polignac number, because 1225104103131 - 21 = 1225104103129 is a prime.
It is a super-2 number, since 2×12251041031312 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1225104103831) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192049500 + ... + 192055878.
It is an arithmetic number, because the mean of its divisors is an integer number (54112952520).
Almost surely, 21225104103131 is an apocalyptic number.
1225104103131 is a deficient number, since it is larger than the sum of its proper divisors (506510377509).
1225104103131 is a wasteful number, since it uses less digits than its factorization.
1225104103131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10283.
The product of its (nonzero) digits is 720, while the sum is 24.
Adding to 1225104103131 its reverse (1313014015221), we get a palindrome (2538118118352).
The spelling of 1225104103131 in words is "one trillion, two hundred twenty-five billion, one hundred four million, one hundred three thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •