Base | Representation |
---|---|
bin | 100111001001001… |
… | …0101101000011010 |
3 | 10101112110011022010 |
4 | 1032102111220122 |
5 | 10142214230132 |
6 | 334155210350 |
7 | 44355654051 |
oct | 11622255032 |
9 | 3345404263 |
10 | 1313430042 |
11 | 614440481 |
12 | 307a469b6 |
13 | 17c15ab52 |
14 | c6619398 |
15 | 7a4946cc |
hex | 4e495a1a |
1313430042 has 32 divisors (see below), whose sum is σ = 2756436480. Its totient is φ = 416427440.
The previous prime is 1313430023. The next prime is 1313430061. The reversal of 1313430042 is 2400343131.
It is an interprime number because it is at equal distance from previous prime (1313430023) and next prime (1313430061).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1884 + ... + 51287.
It is an arithmetic number, because the mean of its divisors is an integer number (86138640).
Almost surely, 21313430042 is an apocalyptic number.
1313430042 is an abundant number, since it is smaller than the sum of its proper divisors (1443006438).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1313430042 is a wasteful number, since it uses less digits than its factorization.
1313430042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53378.
The product of its (nonzero) digits is 864, while the sum is 21.
The square root of 1313430042 is about 36241.2753914649. The cubic root of 1313430042 is about 1095.1383357681.
Adding to 1313430042 its reverse (2400343131), we get a palindrome (3713773173).
The spelling of 1313430042 in words is "one billion, three hundred thirteen million, four hundred thirty thousand, forty-two".
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