Base | Representation |
---|---|
bin | 100011100101000101… |
… | …000011111111011101 |
3 | 10122121102202220122001 |
4 | 203211011003333131 |
5 | 1111214440013101 |
6 | 25314503522301 |
7 | 2521464356254 |
oct | 434505037735 |
9 | 118542686561 |
10 | 38203047901 |
11 | 15224696367 |
12 | 74a2159391 |
13 | 37aa9bb8b5 |
14 | 1bc5a8979b |
15 | ed8d81901 |
hex | 8e5143fdd |
38203047901 has 4 divisors (see below), whose sum is σ = 38437422592. Its totient is φ = 37968673212.
The previous prime is 38203047893. The next prime is 38203047913. The reversal of 38203047901 is 10974030283.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 38203047901 - 23 = 38203047893 is a prime.
It is a super-2 number, since 2×382030479012 (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 (38203047941) 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, 117187101 + ... + 117187426.
It is an arithmetic number, because the mean of its divisors is an integer number (9609355648).
Almost surely, 238203047901 is an apocalyptic number.
It is an amenable number.
38203047901 is a deficient number, since it is larger than the sum of its proper divisors (234374691).
38203047901 is a wasteful number, since it uses less digits than its factorization.
38203047901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 234374690.
The product of its (nonzero) digits is 36288, while the sum is 37.
The spelling of 38203047901 in words is "thirty-eight billion, two hundred three million, forty-seven thousand, nine hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •