Base | Representation |
---|---|
bin | 101101110110011001… |
… | …011010001111110011 |
3 | 11201001222211120120100 |
4 | 231312121122033303 |
5 | 1301311114402401 |
6 | 34341051243443 |
7 | 3361663463466 |
oct | 556631321763 |
9 | 151058746510 |
10 | 49231012851 |
11 | 19973694689 |
12 | 965b449583 |
13 | 4847657b47 |
14 | 25505592dd |
15 | 14320e6b86 |
hex | b7665a3f3 |
49231012851 has 12 divisors (see below), whose sum is σ = 72845889480. Its totient is φ = 32020170720.
The previous prime is 49231012829. The next prime is 49231012867. The reversal of 49231012851 is 15821013294.
It is not a de Polignac number, because 49231012851 - 25 = 49231012819 is a prime.
It is not an unprimeable number, because it can be changed into a prime (49231012891) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66708321 + ... + 66709058.
It is an arithmetic number, because the mean of its divisors is an integer number (6070490790).
Almost surely, 249231012851 is an apocalyptic number.
49231012851 is a gapful number since it is divisible by the number (41) formed by its first and last digit.
49231012851 is a deficient number, since it is larger than the sum of its proper divisors (23614876629).
49231012851 is a wasteful number, since it uses less digits than its factorization.
49231012851 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133417426 (or 133417423 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The spelling of 49231012851 in words is "forty-nine billion, two hundred thirty-one million, twelve thousand, eight hundred fifty-one".
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