Base | Representation |
---|---|
bin | 10001100111001000001… |
… | …100000111110010011001 |
3 | 11021200212000102010101212 |
4 | 101213020030013302121 |
5 | 124312040033243001 |
6 | 2323551214152505 |
7 | 153302661633554 |
oct | 21471014076231 |
9 | 4250760363355 |
10 | 1210244431001 |
11 | 4272974807a1 |
12 | 1766784b2735 |
13 | 8a182b17ab8 |
14 | 4280cd1769b |
15 | 2173427c7bb |
hex | 119c8307c99 |
1210244431001 has 4 divisors (see below), whose sum is σ = 1262863754112. Its totient is φ = 1157625107892.
The previous prime is 1210244430929. The next prime is 1210244431013. The reversal of 1210244431001 is 1001344420121.
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 a de Polignac number, because none of the positive numbers 2k-1210244431001 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 52619323087 = 1210244431001 / (1 + 2 + 1 + 0 + 2 + 4 + 4 + 4 + 3 + 1 + 0 + 0 + 1).
It is not an unprimeable number, because it can be changed into a prime (1210244431021) 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, 26309661521 + ... + 26309661566.
It is an arithmetic number, because the mean of its divisors is an integer number (315715938528).
Almost surely, 21210244431001 is an apocalyptic number.
It is an amenable number.
1210244431001 is a deficient number, since it is larger than the sum of its proper divisors (52619323111).
1210244431001 is an equidigital number, since it uses as much as digits as its factorization.
1210244431001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52619323110.
The product of its (nonzero) digits is 768, while the sum is 23.
Adding to 1210244431001 its reverse (1001344420121), we get a palindrome (2211588851122).
The spelling of 1210244431001 in words is "one trillion, two hundred ten billion, two hundred forty-four million, four hundred thirty-one thousand, one".
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