Base | Representation |
---|---|
bin | 100110110010010… |
… | …0010001110011001 |
3 | 10100200212010201220 |
4 | 1031210202032121 |
5 | 10131131014001 |
6 | 333050002253 |
7 | 44151625104 |
oct | 11544421631 |
9 | 3320763656 |
10 | 1301423001 |
11 | 60868a3aa |
12 | 303a16389 |
13 | 1798158a8 |
14 | c4bb173b |
15 | 793c1c36 |
hex | 4d922399 |
1301423001 has 4 divisors (see below), whose sum is σ = 1735230672. Its totient is φ = 867615332.
The previous prime is 1301422999. The next prime is 1301423009. The reversal of 1301423001 is 1003241031.
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 1301423001 - 21 = 1301422999 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1301423009) 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, 216903831 + ... + 216903836.
It is an arithmetic number, because the mean of its divisors is an integer number (433807668).
Almost surely, 21301423001 is an apocalyptic number.
It is an amenable number.
1301423001 is a deficient number, since it is larger than the sum of its proper divisors (433807671).
1301423001 is an equidigital number, since it uses as much as digits as its factorization.
1301423001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 433807670.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1301423001 is about 36075.2408307970. The cubic root of 1301423001 is about 1091.7909566105.
Adding to 1301423001 its reverse (1003241031), we get a palindrome (2304664032).
The spelling of 1301423001 in words is "one billion, three hundred one million, four hundred twenty-three thousand, one".
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