Base | Representation |
---|---|
bin | 100100000101111100… |
… | …101111010000000000 |
3 | 10201000212110021210102 |
4 | 210011330233100000 |
5 | 1113332123421140 |
6 | 25445323421532 |
7 | 2541241635023 |
oct | 440574572000 |
9 | 121025407712 |
10 | 38754513920 |
11 | 15487a04a01 |
12 | 76169848a8 |
13 | 3868023455 |
14 | 1c38ddb1ba |
15 | 101c4b3e15 |
hex | 905f2f400 |
38754513920 has 44 divisors (see below), whose sum is σ = 92965430244. Its totient is φ = 15501803520.
The previous prime is 38754513911. The next prime is 38754513929. The reversal of 38754513920 is 2931545783.
It is an interprime number because it is at equal distance from previous prime (38754513911) and next prime (38754513929).
It can be written as a sum of positive squares in 2 ways, for example, as 4615300096 + 34139213824 = 67936^2 + 184768^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38754513929) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3779501 + ... + 3789740.
Almost surely, 238754513920 is an apocalyptic number.
It is an amenable number.
38754513920 is an abundant number, since it is smaller than the sum of its proper divisors (54210916324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38754513920 is an equidigital number, since it uses as much as digits as its factorization.
38754513920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7569266 (or 7569248 counting only the distinct ones).
The product of its (nonzero) digits is 907200, while the sum is 47.
The spelling of 38754513920 in words is "thirty-eight billion, seven hundred fifty-four million, five hundred thirteen thousand, nine hundred twenty".
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