Base | Representation |
---|---|
bin | 10001011110110011001… |
… | …011111101001000000001 |
3 | 11020211202210220020011222 |
4 | 101132303023331020001 |
5 | 124140231321144301 |
6 | 2315512013444425 |
7 | 152535246430634 |
oct | 21366313751001 |
9 | 4224683806158 |
10 | 1201302131201 |
11 | 42351880a587 |
12 | 1749a17a0715 |
13 | 893892baa43 |
14 | 42201441c1b |
15 | 213ae19c31b |
hex | 117b32fd201 |
1201302131201 has 4 divisors (see below), whose sum is σ = 1202146336512. Its totient is φ = 1200457925892.
The previous prime is 1201302131149. The next prime is 1201302131219. The reversal of 1201302131201 is 1021312031021.
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 1201302131201 - 26 = 1201302131137 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1201302131201.
It is not an unprimeable number, because it can be changed into a prime (1201302131251) 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, 422100521 + ... + 422103366.
It is an arithmetic number, because the mean of its divisors is an integer number (300536584128).
Almost surely, 21201302131201 is an apocalyptic number.
It is an amenable number.
1201302131201 is a deficient number, since it is larger than the sum of its proper divisors (844205311).
1201302131201 is an equidigital number, since it uses as much as digits as its factorization.
1201302131201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 844205310.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 1201302131201 its reverse (1021312031021), we get a palindrome (2222614162222).
The spelling of 1201302131201 in words is "one trillion, two hundred one billion, three hundred two million, one hundred thirty-one thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.062 sec. • engine limits •