Base | Representation |
---|---|
bin | 10001111010110110011… |
… | …011111001101101101101 |
3 | 11100201111212122100010220 |
4 | 101322312123321231231 |
5 | 130133422340224003 |
6 | 2341412430321553 |
7 | 154652525213532 |
oct | 21726633715555 |
9 | 4321455570126 |
10 | 1231421414253 |
11 | 435274315748 |
12 | 17a7a86592b9 |
13 | 8c1792b8614 |
14 | 4385b65ad89 |
15 | 220734d9353 |
hex | 11eb66f9b6d |
1231421414253 has 32 divisors (see below), whose sum is σ = 1652869680000. Its totient is φ = 815483289600.
The previous prime is 1231421414221. The next prime is 1231421414257. The reversal of 1231421414253 is 3524141241321.
It is not a de Polignac number, because 1231421414253 - 25 = 1231421414221 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231421414257) 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, 447951123 + ... + 447953871.
It is an arithmetic number, because the mean of its divisors is an integer number (51652177500).
Almost surely, 21231421414253 is an apocalyptic number.
It is an amenable number.
1231421414253 is a deficient number, since it is larger than the sum of its proper divisors (421448265747).
1231421414253 is a wasteful number, since it uses less digits than its factorization.
1231421414253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4493.
The product of its digits is 23040, while the sum is 33.
Adding to 1231421414253 its reverse (3524141241321), we get a palindrome (4755562655574).
The spelling of 1231421414253 in words is "one trillion, two hundred thirty-one billion, four hundred twenty-one million, four hundred fourteen thousand, two hundred fifty-three".
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