Base | Representation |
---|---|
bin | 100100010010111100… |
… | …010100100100000110 |
3 | 10201121001122120000212 |
4 | 210102330110210012 |
5 | 1114303430232142 |
6 | 25523112035422 |
7 | 2546526566351 |
oct | 442274244406 |
9 | 121531576025 |
10 | 38972508422 |
11 | 15589a68451 |
12 | 7677992b72 |
13 | 38a123b093 |
14 | 1c59d45298 |
15 | 10316c4d82 |
hex | 912f14906 |
38972508422 has 4 divisors (see below), whose sum is σ = 58458762636. Its totient is φ = 19486254210.
The previous prime is 38972508403. The next prime is 38972508427. The reversal of 38972508422 is 22480527983.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22480527983 = 17 ⋅1322383999.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38972508427) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9743127104 + ... + 9743127107.
It is an arithmetic number, because the mean of its divisors is an integer number (14614690659).
Almost surely, 238972508422 is an apocalyptic number.
38972508422 is a deficient number, since it is larger than the sum of its proper divisors (19486254214).
38972508422 is a wasteful number, since it uses less digits than its factorization.
38972508422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19486254213.
The product of its (nonzero) digits is 1935360, while the sum is 50.
The spelling of 38972508422 in words is "thirty-eight billion, nine hundred seventy-two million, five hundred eight thousand, four hundred twenty-two".
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