Base | Representation |
---|---|
bin | 10010101100011101… |
… | …101011001011101011 |
3 | 1220210221111210020222 |
4 | 102230131223023223 |
5 | 312102233020022 |
6 | 13115505040255 |
7 | 1310302325126 |
oct | 225435531353 |
9 | 56727453228 |
10 | 20073329387 |
11 | 8570964521 |
12 | 3a8262608b |
13 | 1b7b9409c7 |
14 | d85d333bd |
15 | 7c7403242 |
hex | 4ac76b2eb |
20073329387 has 8 divisors (see below), whose sum is σ = 20136930000. Its totient is φ = 20009823264.
The previous prime is 20073329329. The next prime is 20073329407. The reversal of 20073329387 is 78392337002.
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 20073329387 - 222 = 20069135083 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20073329317) 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, 414689 + ... + 460557.
It is an arithmetic number, because the mean of its divisors is an integer number (2517116250).
Almost surely, 220073329387 is an apocalyptic number.
20073329387 is a deficient number, since it is larger than the sum of its proper divisors (63600613).
20073329387 is an equidigital number, since it uses as much as digits as its factorization.
20073329387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47245.
The product of its (nonzero) digits is 381024, while the sum is 44.
The spelling of 20073329387 in words is "twenty billion, seventy-three million, three hundred twenty-nine thousand, three hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •