Base | Representation |
---|---|
bin | 100100000010011000… |
… | …010100001011110111 |
3 | 10200212200210002022011 |
4 | 210002120110023313 |
5 | 1113221311243411 |
6 | 25435344145051 |
7 | 2536613651461 |
oct | 440230241367 |
9 | 120780702264 |
10 | 38694634231 |
11 | 15457126460 |
12 | 75ba908187 |
13 | 38587b9196 |
14 | 1c31091131 |
15 | 10170d6c21 |
hex | 9026142f7 |
38694634231 has 8 divisors (see below), whose sum is σ = 42217426944. Its totient is φ = 35172691320.
The previous prime is 38694634229. The next prime is 38694634249. The reversal of 38694634231 is 13243649683.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38694634231 - 21 = 38694634229 is a prime.
It is a super-2 number, since 2×386946342312 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38694634261) 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, 115305 + ... + 301138.
It is an arithmetic number, because the mean of its divisors is an integer number (5277178368).
Almost surely, 238694634231 is an apocalyptic number.
38694634231 is a deficient number, since it is larger than the sum of its proper divisors (3522792713).
38694634231 is a wasteful number, since it uses less digits than its factorization.
38694634231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424901.
The product of its digits is 2239488, while the sum is 49.
The spelling of 38694634231 in words is "thirty-eight billion, six hundred ninety-four million, six hundred thirty-four thousand, two hundred thirty-one".
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