Base | Representation |
---|---|
bin | 101101101010010111… |
… | …110100010100101101 |
3 | 11200112221012220201202 |
4 | 231222113310110231 |
5 | 1300402443100111 |
6 | 34305043215245 |
7 | 3353663623403 |
oct | 555227642455 |
9 | 150487186652 |
10 | 49029268781 |
11 | 1987a820349 |
12 | 9603977525 |
13 | 481490ca5c |
14 | 2531841473 |
15 | 141e545b3b |
hex | b6a5f452d |
49029268781 has 8 divisors (see below), whose sum is σ = 49217712384. Its totient is φ = 48840881040.
The previous prime is 49029268759. The next prime is 49029268817. The reversal of 49029268781 is 18786292094.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-49029268781 is a prime.
It is a super-2 number, since 2×490292687812 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49029268711) 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, 2867600 + ... + 2884646.
It is an arithmetic number, because the mean of its divisors is an integer number (6152214048).
Almost surely, 249029268781 is an apocalyptic number.
It is an amenable number.
49029268781 is a deficient number, since it is larger than the sum of its proper divisors (188443603).
49029268781 is a wasteful number, since it uses less digits than its factorization.
49029268781 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27931.
The product of its (nonzero) digits is 3483648, while the sum is 56.
The spelling of 49029268781 in words is "forty-nine billion, twenty-nine million, two hundred sixty-eight thousand, seven hundred eighty-one".
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