Base | Representation |
---|---|
bin | 101110010100000001… |
… | …011011111101010001 |
3 | 11202100122002102100001 |
4 | 232110001123331101 |
5 | 1303320334414011 |
6 | 34502244330001 |
7 | 3410210256454 |
oct | 562401337521 |
9 | 152318072301 |
10 | 49728044881 |
11 | 1a0a9204159 |
12 | 97799a3901 |
13 | 48c6611038 |
14 | 259a57b49b |
15 | 1460a757c1 |
hex | b9405bf51 |
49728044881 has 8 divisors (see below), whose sum is σ = 51549359040. Its totient is φ = 47931852528.
The previous prime is 49728044867. The next prime is 49728044897. The reversal of 49728044881 is 18844082794.
49728044881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 49728044881 - 29 = 49728044369 is a prime.
It is a super-2 number, since 2×497280448812 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49728044801) 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, 6276421 + ... + 6284338.
It is an arithmetic number, because the mean of its divisors is an integer number (6443669880).
Almost surely, 249728044881 is an apocalyptic number.
It is an amenable number.
49728044881 is a deficient number, since it is larger than the sum of its proper divisors (1821314159).
49728044881 is a wasteful number, since it uses less digits than its factorization.
49728044881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12560903.
The product of its (nonzero) digits is 4128768, while the sum is 55.
The spelling of 49728044881 in words is "forty-nine billion, seven hundred twenty-eight million, forty-four thousand, eight hundred eighty-one".
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