Base | Representation |
---|---|
bin | 100100010001000011… |
… | …000100011011010111 |
3 | 10201111211211200111102 |
4 | 210101003010123113 |
5 | 1114222311113103 |
6 | 25520014500315 |
7 | 2545662453245 |
oct | 442103043327 |
9 | 121454750442 |
10 | 38940722903 |
11 | 15573028525 |
12 | 766920469b |
13 | 389778c494 |
14 | 1c55a2d795 |
15 | 102d9e6e88 |
hex | 9110c46d7 |
38940722903 has 4 divisors (see below), whose sum is σ = 41231353680. Its totient is φ = 36650092128.
The previous prime is 38940722867. The next prime is 38940722917. The reversal of 38940722903 is 30922704983.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30922704983 = 449 ⋅68870167.
It is a cyclic number.
It is not a de Polignac number, because 38940722903 - 212 = 38940718807 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38940722963) 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, 1145315363 + ... + 1145315396.
It is an arithmetic number, because the mean of its divisors is an integer number (10307838420).
Almost surely, 238940722903 is an apocalyptic number.
38940722903 is a deficient number, since it is larger than the sum of its proper divisors (2290630777).
38940722903 is a wasteful number, since it uses less digits than its factorization.
38940722903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2290630776.
The product of its (nonzero) digits is 653184, while the sum is 47.
The spelling of 38940722903 in words is "thirty-eight billion, nine hundred forty million, seven hundred twenty-two thousand, nine hundred three".
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