Base | Representation |
---|---|
bin | 100101111111110… |
… | …1000100011110001 |
3 | 10021212002022100001 |
4 | 1023333220203301 |
5 | 10102343104101 |
6 | 330303030001 |
7 | 43411041463 |
oct | 11377504361 |
9 | 3255068301 |
10 | 1274972401 |
11 | 5a47636aa |
12 | 2b6b9b301 |
13 | 1741b4351 |
14 | c1488133 |
15 | 76de9901 |
hex | 4bfe88f1 |
1274972401 has 4 divisors (see below), whose sum is σ = 1275806704. Its totient is φ = 1274138100.
The previous prime is 1274972393. The next prime is 1274972417. The reversal of 1274972401 is 1042794721.
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 1274972401 - 23 = 1274972393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1274972441) 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, 414855 + ... + 417916.
It is an arithmetic number, because the mean of its divisors is an integer number (318951676).
Almost surely, 21274972401 is an apocalyptic number.
It is an amenable number.
1274972401 is a deficient number, since it is larger than the sum of its proper divisors (834303).
1274972401 is an equidigital number, since it uses as much as digits as its factorization.
1274972401 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 834302.
The product of its (nonzero) digits is 28224, while the sum is 37.
The square root of 1274972401 is about 35706.7556773225. The cubic root of 1274972401 is about 1084.3436185123.
The spelling of 1274972401 in words is "one billion, two hundred seventy-four million, nine hundred seventy-two thousand, four hundred one".
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