Base | Representation |
---|---|
bin | 1001010011101101… |
… | …00100110111001001 |
3 | 110220021000000021001 |
4 | 10221312210313021 |
5 | 40213231434123 |
6 | 2143510015001 |
7 | 234555663013 |
oct | 45166446711 |
9 | 13807000231 |
10 | 4997139913 |
11 | 21348341a7 |
12 | b75647461 |
13 | 618399b2c |
14 | 3559591b3 |
15 | 1e3a8e0ad |
hex | 129da4dc9 |
4997139913 has 4 divisors (see below), whose sum is σ = 4999541008. Its totient is φ = 4994738820.
The previous prime is 4997139907. The next prime is 4997139937. The reversal of 4997139913 is 3199317994.
It is a happy number.
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, and also an emirpimes, since its reverse is a distinct semiprime: 3199317994 = 2 ⋅1599658997.
It is a cyclic number.
It is not a de Polignac number, because 4997139913 - 25 = 4997139881 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (4997139943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197423 + ... + 1201588.
It is an arithmetic number, because the mean of its divisors is an integer number (1249885252).
Almost surely, 24997139913 is an apocalyptic number.
It is an amenable number.
4997139913 is a deficient number, since it is larger than the sum of its proper divisors (2401095).
4997139913 is a wasteful number, since it uses less digits than its factorization.
4997139913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2401094.
The product of its digits is 1653372, while the sum is 55.
The square root of 4997139913 is about 70690.4513566012. The cubic root of 4997139913 is about 1709.6498391574.
The spelling of 4997139913 in words is "four billion, nine hundred ninety-seven million, one hundred thirty-nine thousand, nine hundred thirteen".
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