Base | Representation |
---|---|
bin | 11010110100001100… |
… | …000110000001101111 |
3 | 2202022121212111112100 |
4 | 122310030012001233 |
5 | 432431433414241 |
6 | 21121031110143 |
7 | 2036341245234 |
oct | 326414060157 |
9 | 82277774470 |
10 | 28792873071 |
11 | 1123590a776 |
12 | 56b6812353 |
13 | 293b276a01 |
14 | 1571dc178b |
15 | b37b819b6 |
hex | 6b430606f |
28792873071 has 24 divisors (see below), whose sum is σ = 42426544160. Its totient is φ = 18812860416.
The previous prime is 28792873069. The next prime is 28792873073. The reversal of 28792873071 is 17037829782.
It is an interprime number because it is at equal distance from previous prime (28792873069) and next prime (28792873073).
It is not a de Polignac number, because 28792873071 - 21 = 28792873069 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 28792872999 and 28792873017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (28792873073) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70186 + ... + 250023.
Almost surely, 228792873071 is an apocalyptic number.
28792873071 is a deficient number, since it is larger than the sum of its proper divisors (13633671089).
28792873071 is a wasteful number, since it uses less digits than its factorization.
28792873071 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320415 (or 320412 counting only the distinct ones).
The product of its (nonzero) digits is 2370816, while the sum is 54.
The spelling of 28792873071 in words is "twenty-eight billion, seven hundred ninety-two million, eight hundred seventy-three thousand, seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •