Base | Representation |
---|---|
bin | 100011111110110100… |
… | …111001001110111001 |
3 | 10200201112121020000221 |
4 | 203332310321032321 |
5 | 1113111031022040 |
6 | 25425414300041 |
7 | 2535261140644 |
oct | 437664711671 |
9 | 120645536027 |
10 | 38635017145 |
11 | 1542650723a |
12 | 75a2957621 |
13 | 38493445ba |
14 | 1c271b2a5b |
15 | 1011c5c74a |
hex | 8fed393b9 |
38635017145 has 16 divisors (see below), whose sum is σ = 49174678080. Its totient is φ = 29057745600.
The previous prime is 38635017143. The next prime is 38635017151. The reversal of 38635017145 is 54171053683.
It is not a de Polignac number, because 38635017145 - 21 = 38635017143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (38635017143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539786 + ... + 1564675.
It is an arithmetic number, because the mean of its divisors is an integer number (3073417380).
Almost surely, 238635017145 is an apocalyptic number.
It is an amenable number.
38635017145 is a deficient number, since it is larger than the sum of its proper divisors (10539660935).
38635017145 is a wasteful number, since it uses less digits than its factorization.
38635017145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3104616.
The product of its (nonzero) digits is 302400, while the sum is 43.
The spelling of 38635017145 in words is "thirty-eight billion, six hundred thirty-five million, seventeen thousand, one hundred forty-five".
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