Base | Representation |
---|---|
bin | 10010110110001100100… |
… | …000111001010111011001 |
3 | 11120210222201021110020212 |
4 | 102312030200321113121 |
5 | 132204423000334123 |
6 | 2430551424300505 |
7 | 162366561242054 |
oct | 22661440712731 |
9 | 4523881243225 |
10 | 1295142589913 |
11 | 45a2a3256097 |
12 | 18b010771735 |
13 | 951929719a3 |
14 | 46984403a9b |
15 | 23a52787878 |
hex | 12d8c8395d9 |
1295142589913 has 4 divisors (see below), whose sum is σ = 1336921383168. Its totient is φ = 1253363796660.
The previous prime is 1295142589907. The next prime is 1295142589933. The reversal of 1295142589913 is 3199852415921.
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 1295142589913 - 222 = 1295138395609 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1295142589933) 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, 20889396581 + ... + 20889396642.
It is an arithmetic number, because the mean of its divisors is an integer number (334230345792).
Almost surely, 21295142589913 is an apocalyptic number.
It is an amenable number.
1295142589913 is a deficient number, since it is larger than the sum of its proper divisors (41778793255).
1295142589913 is an equidigital number, since it uses as much as digits as its factorization.
1295142589913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41778793254.
The product of its digits is 6998400, while the sum is 59.
The spelling of 1295142589913 in words is "one trillion, two hundred ninety-five billion, one hundred forty-two million, five hundred eighty-nine thousand, nine hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •