Base | Representation |
---|---|
bin | 100100000111100101… |
… | …111110111111011111 |
3 | 10201002210100222121102 |
4 | 210013211332333133 |
5 | 1113411204303034 |
6 | 25452151023315 |
7 | 2542025304125 |
oct | 440745767737 |
9 | 121083328542 |
10 | 38782103519 |
11 | 154a1539425 |
12 | 762406ab3b |
13 | 3870963263 |
14 | 1c3c93d915 |
15 | 101eb1397e |
hex | 90797efdf |
38782103519 has 4 divisors (see below), whose sum is σ = 41063403744. Its totient is φ = 36500803296.
The previous prime is 38782103509. The next prime is 38782103539. The reversal of 38782103519 is 91530128783.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-38782103519 is a prime.
It is a super-2 number, since 2×387821035192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38782103509) 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, 1140650087 + ... + 1140650120.
It is an arithmetic number, because the mean of its divisors is an integer number (10265850936).
Almost surely, 238782103519 is an apocalyptic number.
38782103519 is a deficient number, since it is larger than the sum of its proper divisors (2281300225).
38782103519 is a wasteful number, since it uses less digits than its factorization.
38782103519 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2281300224.
The product of its (nonzero) digits is 362880, while the sum is 47.
The spelling of 38782103519 in words is "thirty-eight billion, seven hundred eighty-two million, one hundred three thousand, five hundred nineteen".
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