Base | Representation |
---|---|
bin | 101101101110111010… |
… | …000111011100011101 |
3 | 11200202020102012102020 |
4 | 231232322013130131 |
5 | 1301031433300421 |
6 | 34320402250353 |
7 | 3355606514463 |
oct | 555672073435 |
9 | 150666365366 |
10 | 49105368861 |
11 | 1990977847a |
12 | 96253569b9 |
13 | 4827605ca3 |
14 | 253b9b0833 |
15 | 1426078dc6 |
hex | b6ee8771d |
49105368861 has 8 divisors (see below), whose sum is σ = 65617095744. Its totient is φ = 32665277280.
The previous prime is 49105368857. The next prime is 49105368863. The reversal of 49105368861 is 16886350194.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 49105368861 - 22 = 49105368857 is a prime.
It is a super-2 number, since 2×491053688612 (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 (49105368863) 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, 17907225 + ... + 17909966.
It is an arithmetic number, because the mean of its divisors is an integer number (8202136968).
Almost surely, 249105368861 is an apocalyptic number.
It is an amenable number.
49105368861 is a deficient number, since it is larger than the sum of its proper divisors (16511726883).
49105368861 is a wasteful number, since it uses less digits than its factorization.
49105368861 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35817651.
The product of its (nonzero) digits is 1244160, while the sum is 51.
The spelling of 49105368861 in words is "forty-nine billion, one hundred five million, three hundred sixty-eight thousand, eight hundred sixty-one".
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