Base | Representation |
---|---|
bin | 10010111100111110111… |
… | …100110111000001100101 |
3 | 11121111210200010211200112 |
4 | 102330332330313001211 |
5 | 132314334343411401 |
6 | 2434154553222405 |
7 | 163045313544536 |
oct | 22747674670145 |
9 | 4544720124615 |
10 | 1302431232101 |
11 | 4623a352691a |
12 | 190505701a05 |
13 | 95a849c9b0c |
14 | 4707641868d |
15 | 23d2c5ba3bb |
hex | 12f3ef37065 |
1302431232101 has 4 divisors (see below), whose sum is σ = 1302438922272. Its totient is φ = 1302423541932.
The previous prime is 1302431232031. The next prime is 1302431232119. The reversal of 1302431232101 is 1012321342031.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1302431232101 - 214 = 1302431215717 is a prime.
It is a super-2 number, since 2×13024312321012 (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 (1302431232001) 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, 3585185 + ... + 3931718.
It is an arithmetic number, because the mean of its divisors is an integer number (325609730568).
Almost surely, 21302431232101 is an apocalyptic number.
It is an amenable number.
1302431232101 is a deficient number, since it is larger than the sum of its proper divisors (7690171).
1302431232101 is an equidigital number, since it uses as much as digits as its factorization.
1302431232101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7690170.
The product of its (nonzero) digits is 864, while the sum is 23.
Adding to 1302431232101 its reverse (1012321342031), we get a palindrome (2314752574132).
The spelling of 1302431232101 in words is "one trillion, three hundred two billion, four hundred thirty-one million, two hundred thirty-two thousand, one hundred one".
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