Base | Representation |
---|---|
bin | 100011011001011010… |
… | …101001111110000110 |
3 | 10122002210121001022220 |
4 | 203121122221332012 |
5 | 1110314342210034 |
6 | 25243234033210 |
7 | 2513600262366 |
oct | 433132517606 |
9 | 118083531286 |
10 | 38007381894 |
11 | 151341a3619 |
12 | 7448718806 |
13 | 37792c11b1 |
14 | 1ba7ab49a6 |
15 | ec6ad1749 |
hex | 8d96a9f86 |
38007381894 has 8 divisors (see below), whose sum is σ = 76014763800. Its totient is φ = 12669127296.
The previous prime is 38007381883. The next prime is 38007381913. The reversal of 38007381894 is 49818370083.
It is a sphenic number, since it is the product of 3 distinct primes.
38007381894 is an admirable number.
It is a super-2 number, since 2×380073818942 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3167281819 + ... + 3167281830.
It is an arithmetic number, because the mean of its divisors is an integer number (9501845475).
Almost surely, 238007381894 is an apocalyptic number.
38007381894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38007381894 is a wasteful number, since it uses less digits than its factorization.
38007381894 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6334563654.
The product of its (nonzero) digits is 1161216, while the sum is 51.
The spelling of 38007381894 in words is "thirty-eight billion, seven million, three hundred eighty-one thousand, eight hundred ninety-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •