Base | Representation |
---|---|
bin | 100100000010001001… |
… | …110110100001000100 |
3 | 10200212102122110021210 |
4 | 210002021312201010 |
5 | 1113214323431232 |
6 | 25435131011420 |
7 | 2536536510435 |
oct | 440211664104 |
9 | 120772573253 |
10 | 38690842692 |
11 | 15454a76857 |
12 | 75b9599b70 |
13 | 3857a8c478 |
14 | 1c3078548c |
15 | 1016ad85cc |
hex | 902276844 |
38690842692 has 24 divisors (see below), whose sum is σ = 90503777952. Its totient is φ = 12864784000.
The previous prime is 38690842667. The next prime is 38690842703. The reversal of 38690842692 is 29624809683.
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, 4015434 + ... + 4025057.
It is an arithmetic number, because the mean of its divisors is an integer number (3770990748).
Almost surely, 238690842692 is an apocalyptic number.
It is an amenable number.
38690842692 is an abundant number, since it is smaller than the sum of its proper divisors (51812935260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38690842692 is a wasteful number, since it uses less digits than its factorization.
38690842692 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8040899 (or 8040897 counting only the distinct ones).
The product of its (nonzero) digits is 8957952, while the sum is 57.
The spelling of 38690842692 in words is "thirty-eight billion, six hundred ninety million, eight hundred forty-two thousand, six hundred ninety-two".
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