Base | Representation |
---|---|
bin | 10001111010001111… |
… | …110001001101000101 |
3 | 1211122020012001002111 |
4 | 101322033301031011 |
5 | 303341042320422 |
6 | 12500131141021 |
7 | 1250362205023 |
oct | 217217611505 |
9 | 54566161074 |
10 | 19230823237 |
11 | 817933114a |
12 | 3888444771 |
13 | 1a76227662 |
14 | d060a1713 |
15 | 778481a77 |
hex | 47a3f1345 |
19230823237 has 8 divisors (see below), whose sum is σ = 19364726304. Its totient is φ = 19097385168.
The previous prime is 19230823211. The next prime is 19230823243. The reversal of 19230823237 is 73232803291.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19230823237 - 211 = 19230821189 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 19230823237.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19230823277) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33043 + ... + 198880.
It is an arithmetic number, because the mean of its divisors is an integer number (2420590788).
Almost surely, 219230823237 is an apocalyptic number.
It is an amenable number.
19230823237 is a deficient number, since it is larger than the sum of its proper divisors (133903067).
19230823237 is a wasteful number, since it uses less digits than its factorization.
19230823237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 232499.
The product of its (nonzero) digits is 108864, while the sum is 40.
The spelling of 19230823237 in words is "nineteen billion, two hundred thirty million, eight hundred twenty-three thousand, two hundred thirty-seven".
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