Base | Representation |
---|---|
bin | 101101101111100110… |
… | …011101000011000000 |
3 | 11200210001021200221000 |
4 | 231233212131003000 |
5 | 1301042422213210 |
6 | 34321455332000 |
7 | 3356110353321 |
oct | 555746350300 |
9 | 150701250830 |
10 | 49116991680 |
11 | 19915296909 |
12 | 9629221000 |
13 | 4829b453b3 |
14 | 253d358448 |
15 | 14270c2ac0 |
hex | b6f99d0c0 |
49116991680 has 112 divisors (see below), whose sum is σ = 173273862240. Its totient is φ = 13097862144.
The previous prime is 49116991667. The next prime is 49116991681. The reversal of 49116991680 is 8619961194.
49116991680 is a `hidden beast` number, since 491 + 1 + 6 + 9 + 91 + 68 + 0 = 666.
49116991680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (49116991681) 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, 2833779 + ... + 2851058.
Almost surely, 249116991680 is an apocalyptic number.
49116991680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
49116991680 is an abundant number, since it is smaller than the sum of its proper divisors (124156870560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49116991680 is a wasteful number, since it uses less digits than its factorization.
49116991680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5684863 (or 5684847 counting only the distinct ones).
The product of its (nonzero) digits is 839808, while the sum is 54.
The spelling of 49116991680 in words is "forty-nine billion, one hundred sixteen million, nine hundred ninety-one thousand, six hundred eighty".
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