Base | Representation |
---|---|
bin | 101111011110101101… |
… | …111001010011110011 |
3 | 11212120222010222101220 |
4 | 233132231321103303 |
5 | 1313402142312202 |
6 | 35230452200123 |
7 | 3453235110204 |
oct | 573655712363 |
9 | 155528128356 |
10 | 50981213427 |
11 | 1a691625241 |
12 | 9a69609043 |
13 | 4a6612cba1 |
14 | 2678b8b5ab |
15 | 14d5ab4abc |
hex | bdeb794f3 |
50981213427 has 8 divisors (see below), whose sum is σ = 67976086464. Its totient is φ = 33986908008.
The previous prime is 50981213407. The next prime is 50981213501. The reversal of 50981213427 is 72431218905.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 50981213427 - 26 = 50981213363 is a prime.
It is not an unprimeable number, because it can be changed into a prime (50981213407) 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, 158548 + ... + 356510.
It is an arithmetic number, because the mean of its divisors is an integer number (8497010808).
Almost surely, 250981213427 is an apocalyptic number.
50981213427 is a deficient number, since it is larger than the sum of its proper divisors (16994873037).
50981213427 is a wasteful number, since it uses less digits than its factorization.
50981213427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 283809.
The product of its (nonzero) digits is 120960, while the sum is 42.
The spelling of 50981213427 in words is "fifty billion, nine hundred eighty-one million, two hundred thirteen thousand, four hundred twenty-seven".
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