Base | Representation |
---|---|
bin | 10010111101100110111… |
… | …100011110100010001111 |
3 | 11121120112102201120122011 |
4 | 102331212330132202033 |
5 | 132322223132023211 |
6 | 2434345323002051 |
7 | 163101042054664 |
oct | 22754674364217 |
9 | 4546472646564 |
10 | 1303102220431 |
11 | 462708260330 |
12 | 190672369327 |
13 | 95b60a1c02b |
14 | 470db59da6b |
15 | 23d6b45b921 |
hex | 12f66f1e88f |
1303102220431 has 4 divisors (see below), whose sum is σ = 1421566058664. Its totient is φ = 1184638382200.
The previous prime is 1303102220401. The next prime is 1303102220449. The reversal of 1303102220431 is 1340222013031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1303102220431 - 29 = 1303102219919 is a prime.
It is a super-2 number, since 2×13031022204312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1303102220401) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59231919100 + ... + 59231919121.
It is an arithmetic number, because the mean of its divisors is an integer number (355391514666).
Almost surely, 21303102220431 is an apocalyptic number.
1303102220431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1303102220431 is a deficient number, since it is larger than the sum of its proper divisors (118463838233).
1303102220431 is a wasteful number, since it uses less digits than its factorization.
1303102220431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118463838232.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 1303102220431 its reverse (1340222013031), we get a palindrome (2643324233462).
The spelling of 1303102220431 in words is "one trillion, three hundred three billion, one hundred two million, two hundred twenty thousand, four hundred thirty-one".
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