Base | Representation |
---|---|
bin | 101000110110100… |
… | …1101010000001010 |
3 | 10112112102010022010 |
4 | 1101231031100022 |
5 | 10301411232013 |
6 | 344005040350 |
7 | 45653436534 |
oct | 12155152012 |
9 | 3475363263 |
10 | 1370805258 |
11 | 643869309 |
12 | 3230b60b6 |
13 | 18acc9194 |
14 | d00b2854 |
15 | 805297c3 |
hex | 51b4d40a |
1370805258 has 32 divisors (see below), whose sum is σ = 2782273536. Its totient is φ = 450188528.
The previous prime is 1370805211. The next prime is 1370805287. The reversal of 1370805258 is 8525080731.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187141 + ... + 194327.
It is an arithmetic number, because the mean of its divisors is an integer number (86946048).
Almost surely, 21370805258 is an apocalyptic number.
1370805258 is an abundant number, since it is smaller than the sum of its proper divisors (1411468278).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1370805258 is a wasteful number, since it uses less digits than its factorization.
1370805258 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7658.
The product of its (nonzero) digits is 67200, while the sum is 39.
The square root of 1370805258 is about 37024.3873413187. The cubic root of 1370805258 is about 1110.8581027932.
Adding to 1370805258 its reverse (8525080731), we get a palindrome (9895885989).
The spelling of 1370805258 in words is "one billion, three hundred seventy million, eight hundred five thousand, two hundred fifty-eight".
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