Base | Representation |
---|---|
bin | 100100010010110010… |
… | …101001011001100101 |
3 | 10201120212212201011100 |
4 | 210102302221121211 |
5 | 1114302303103300 |
6 | 25522541430313 |
7 | 2546466204444 |
oct | 442262513145 |
9 | 121525781140 |
10 | 38969972325 |
11 | 15588595aa9 |
12 | 7676b6b399 |
13 | 38a086092b |
14 | 1c59884d5b |
15 | 1031373700 |
hex | 912ca9665 |
38969972325 has 72 divisors (see below), whose sum is σ = 73668142080. Its totient is φ = 19637856000.
The previous prime is 38969972291. The next prime is 38969972347. The reversal of 38969972325 is 52327996983.
It is not a de Polignac number, because 38969972325 - 212 = 38969968229 is a prime.
It is a super-2 number, since 2×389699723252 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1625425 + ... + 1649225.
It is an arithmetic number, because the mean of its divisors is an integer number (1023168640).
Almost surely, 238969972325 is an apocalyptic number.
It is an amenable number.
38969972325 is a deficient number, since it is larger than the sum of its proper divisors (34698169755).
38969972325 is a wasteful number, since it uses less digits than its factorization.
38969972325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24219 (or 24211 counting only the distinct ones).
The product of its digits is 44089920, while the sum is 63.
The spelling of 38969972325 in words is "thirty-eight billion, nine hundred sixty-nine million, nine hundred seventy-two thousand, three hundred twenty-five".
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