Base | Representation |
---|---|
bin | 1101001000010100… |
… | …10101010001011010 |
3 | 200012021012101012222 |
4 | 12210022111101122 |
5 | 103414034424130 |
6 | 3123251304042 |
7 | 336453460334 |
oct | 64412252132 |
9 | 20167171188 |
10 | 7049139290 |
11 | 2a98067756 |
12 | 14488ab022 |
13 | 88454c64b |
14 | 4ac2ac454 |
15 | 2b3cc3ce5 |
hex | 1a429545a |
7049139290 has 16 divisors (see below), whose sum is σ = 13097756160. Its totient is φ = 2728698960.
The previous prime is 7049139271. The next prime is 7049139299. The reversal of 7049139290 is 929319407.
It is not an unprimeable number, because it can be changed into a prime (7049139299) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11369270 + ... + 11369889.
It is an arithmetic number, because the mean of its divisors is an integer number (818609760).
Almost surely, 27049139290 is an apocalyptic number.
7049139290 is a deficient number, since it is larger than the sum of its proper divisors (6048616870).
7049139290 is a wasteful number, since it uses less digits than its factorization.
7049139290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22739197.
The product of its (nonzero) digits is 122472, while the sum is 44.
The square root of 7049139290 is about 83959.1525088242. The cubic root of 7049139290 is about 1917.3969435799.
The spelling of 7049139290 in words is "seven billion, forty-nine million, one hundred thirty-nine thousand, two hundred ninety".
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