Base | Representation |
---|---|
bin | 100011011001000011… |
… | …011111001101111100 |
3 | 10122002101011111020212 |
4 | 203121003133031330 |
5 | 1110311313333130 |
6 | 25242455531552 |
7 | 2513464535666 |
oct | 433103371574 |
9 | 118071144225 |
10 | 38001308540 |
11 | 15130825618 |
12 | 7446689bb8 |
13 | 3777c759b0 |
14 | 1ba6d73536 |
15 | ec62d1e95 |
hex | 8d90df37c |
38001308540 has 24 divisors (see below), whose sum is σ = 85941421440. Its totient is φ = 14031252288.
The previous prime is 38001308537. The next prime is 38001308567. The reversal of 38001308540 is 4580310083.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 38001308497 and 38001308506.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73079180 + ... + 73079699.
It is an arithmetic number, because the mean of its divisors is an integer number (3580892560).
Almost surely, 238001308540 is an apocalyptic number.
It is an amenable number.
38001308540 is an abundant number, since it is smaller than the sum of its proper divisors (47940112900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38001308540 is a wasteful number, since it uses less digits than its factorization.
38001308540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 146158901 (or 146158899 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
The spelling of 38001308540 in words is "thirty-eight billion, one million, three hundred eight thousand, five hundred forty".
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