Base | Representation |
---|---|
bin | 101101111011110100… |
… | …011010000001001001 |
3 | 11201022022222222101110 |
4 | 231323310122001021 |
5 | 1302002411212011 |
6 | 34354101040533 |
7 | 3364146610023 |
oct | 557364320111 |
9 | 151268888343 |
10 | 49321975881 |
11 | 19a0aa73542 |
12 | 96859b6149 |
13 | 4860456219 |
14 | 255c677013 |
15 | 143a0b3ba6 |
hex | b7bd1a049 |
49321975881 has 16 divisors (see below), whose sum is σ = 68281378560. Its totient is φ = 31630314240.
The previous prime is 49321975811. The next prime is 49321975889. The reversal of 49321975881 is 18857912394.
49321975881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 49321975881 - 234 = 32142106697 is a prime.
It is a super-2 number, since 2×493219758812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49321975889) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1022400 + ... + 1069553.
It is an arithmetic number, because the mean of its divisors is an integer number (4267586160).
Almost surely, 249321975881 is an apocalyptic number.
It is an amenable number.
49321975881 is a deficient number, since it is larger than the sum of its proper divisors (18959402679).
49321975881 is a wasteful number, since it uses less digits than its factorization.
49321975881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2092256.
The product of its digits is 4354560, while the sum is 57.
The spelling of 49321975881 in words is "forty-nine billion, three hundred twenty-one million, nine hundred seventy-five thousand, eight hundred eighty-one".
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