Base | Representation |
---|---|
bin | 100000010100000100… |
… | …1001000011010100011 |
3 | 20122010010002120100202 |
4 | 1000220021020122203 |
5 | 2114104044143024 |
6 | 51513443535415 |
7 | 5004423264140 |
oct | 1005011103243 |
9 | 218103076322 |
10 | 69392959139 |
11 | 2747a575309 |
12 | 1154768a56b |
13 | 670b75508a |
14 | 35041593c7 |
15 | 1c121a1bae |
hex | 10282486a3 |
69392959139 has 16 divisors (see below), whose sum is σ = 79470731520. Its totient is φ = 59356424160.
The previous prime is 69392959127. The next prime is 69392959187. The reversal of 69392959139 is 93195929396.
It is a cyclic number.
It is not a de Polignac number, because 69392959139 - 212 = 69392955043 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69392959189) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10414469 + ... + 10421129.
It is an arithmetic number, because the mean of its divisors is an integer number (4966920720).
Almost surely, 269392959139 is an apocalyptic number.
69392959139 is a deficient number, since it is larger than the sum of its proper divisors (10077772381).
69392959139 is a wasteful number, since it uses less digits than its factorization.
69392959139 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9530.
The product of its digits is 31886460, while the sum is 65.
The spelling of 69392959139 in words is "sixty-nine billion, three hundred ninety-two million, nine hundred fifty-nine thousand, one hundred thirty-nine".
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