Base | Representation |
---|---|
bin | 100100010011011001… |
… | …111101110010011011 |
3 | 10201121121021100212202 |
4 | 210103121331302123 |
5 | 1114312422420301 |
6 | 25523550400415 |
7 | 2546652623411 |
oct | 442331756233 |
9 | 121547240782 |
10 | 38980279451 |
11 | 15593395993 |
12 | 767a50010b |
13 | 38a2a2c219 |
14 | 1c5ada92b1 |
15 | 103220c66b |
hex | 91367dc9b |
38980279451 has 2 divisors, whose sum is σ = 38980279452. Its totient is φ = 38980279450.
The previous prime is 38980279441. The next prime is 38980279453. The reversal of 38980279451 is 15497208983.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 38980279451 - 234 = 21800410267 is a prime.
It is a super-2 number, since 2×389802794512 (a number of 22 digits) contains 22 as substring.
Together with 38980279453, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (38980279453) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19490139725 + 19490139726.
It is an arithmetic number, because the mean of its divisors is an integer number (19490139726).
Almost surely, 238980279451 is an apocalyptic number.
38980279451 is a deficient number, since it is larger than the sum of its proper divisors (1).
38980279451 is an equidigital number, since it uses as much as digits as its factorization.
38980279451 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4354560, while the sum is 56.
The spelling of 38980279451 in words is "thirty-eight billion, nine hundred eighty million, two hundred seventy-nine thousand, four hundred fifty-one".
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