Base | Representation |
---|---|
bin | 101101000100010110… |
… | …110011100110101111 |
3 | 11121220111002100120200 |
4 | 231010112303212233 |
5 | 1243101204010422 |
6 | 34121501044543 |
7 | 3332120463264 |
oct | 550426634657 |
9 | 147814070520 |
10 | 48391469487 |
11 | 195827a5299 |
12 | 9466256753 |
13 | 474273b21a |
14 | 24b0c5926b |
15 | 13d355d2ac |
hex | b445b39af |
48391469487 has 24 divisors (see below), whose sum is σ = 70397106000. Its totient is φ = 32031168768.
The previous prime is 48391469471. The next prime is 48391469491. The reversal of 48391469487 is 78496419384.
48391469487 is a `hidden beast` number, since 4 + 8 + 3 + 9 + 146 + 9 + 487 = 666.
It is not a de Polignac number, because 48391469487 - 24 = 48391469471 is a prime.
It is a super-2 number, since 2×483914694872 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48391469407) 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, 4042503 + ... + 4054455.
It is an arithmetic number, because the mean of its divisors is an integer number (2933212750).
Almost surely, 248391469487 is an apocalyptic number.
48391469487 is a deficient number, since it is larger than the sum of its proper divisors (22005636513).
48391469487 is a wasteful number, since it uses less digits than its factorization.
48391469487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15127 (or 15124 counting only the distinct ones).
The product of its digits is 41803776, while the sum is 63.
The spelling of 48391469487 in words is "forty-eight billion, three hundred ninety-one million, four hundred sixty-nine thousand, four hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •