Base | Representation |
---|---|
bin | 100011100010011110… |
… | …010100110001001100 |
3 | 10122111101112020201000 |
4 | 203202132110301030 |
5 | 1111122242313242 |
6 | 25310303020300 |
7 | 2520424011645 |
oct | 434236246114 |
9 | 118441466630 |
10 | 38159338572 |
11 | 15201a51953 |
12 | 748b59a690 |
13 | 37a19268a4 |
14 | 1bbdd4c6cc |
15 | ed50eaa4c |
hex | 8e2794c4c |
38159338572 has 36 divisors (see below), whose sum is σ = 98936881960. Its totient is φ = 12719102832.
The previous prime is 38159338549. The next prime is 38159338601. The reversal of 38159338572 is 27583395183.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
38159338572 is a `hidden beast` number, since 38 + 1 + 5 + 9 + 3 + 38 + 572 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×381593385722 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2020678 + ... + 2039474.
Almost surely, 238159338572 is an apocalyptic number.
It is an amenable number.
38159338572 is an abundant number, since it is smaller than the sum of its proper divisors (60777543388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38159338572 is an frugal number, since it uses more digits than its factorization.
38159338572 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37607 (or 18802 counting only the distinct ones).
The product of its digits is 5443200, while the sum is 54.
The spelling of 38159338572 in words is "thirty-eight billion, one hundred fifty-nine million, three hundred thirty-eight thousand, five hundred seventy-two".
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