Base | Representation |
---|---|
bin | 100011100101001111… |
… | …110111110001001010 |
3 | 10122121122002212111010 |
4 | 203211033313301022 |
5 | 1111221201201133 |
6 | 25315044344350 |
7 | 2521530430245 |
oct | 434517676112 |
9 | 118548085433 |
10 | 38205881418 |
11 | 15226251211 |
12 | 74a30a50b6 |
13 | 37ab471533 |
14 | 1bc61c625c |
15 | ed9241263 |
hex | 8e53f7c4a |
38205881418 has 16 divisors (see below), whose sum is σ = 78037545600. Its totient is φ = 12464330016.
The previous prime is 38205881407. The next prime is 38205881429. The reversal of 38205881418 is 81418850283.
It is an interprime number because it is at equal distance from previous prime (38205881407) and next prime (38205881429).
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, 67740643 + ... + 67741206.
It is an arithmetic number, because the mean of its divisors is an integer number (4877346600).
Almost surely, 238205881418 is an apocalyptic number.
38205881418 is an abundant number, since it is smaller than the sum of its proper divisors (39831664182).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38205881418 is a wasteful number, since it uses less digits than its factorization.
38205881418 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135481901.
The product of its (nonzero) digits is 491520, while the sum is 48.
The spelling of 38205881418 in words is "thirty-eight billion, two hundred five million, eight hundred eighty-one thousand, four hundred eighteen".
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