Base | Representation |
---|---|
bin | 101111000100010100… |
… | …101001011001100010 |
3 | 11211110002220001210200 |
4 | 233010110221121202 |
5 | 1312000311341132 |
6 | 35114513010030 |
7 | 3436250126163 |
oct | 570424513142 |
9 | 154402801720 |
10 | 50538387042 |
11 | 1a484669220 |
12 | 9965253916 |
13 | 49c5475440 |
14 | 263603976a |
15 | 14abc91d7c |
hex | bc4529662 |
50538387042 has 96 divisors (see below), whose sum is σ = 129254239296. Its totient is φ = 14069462400.
The previous prime is 50538387037. The next prime is 50538387047. The reversal of 50538387042 is 24078383505.
50538387042 is a `hidden beast` number, since 5 + 0 + 538 + 3 + 8 + 70 + 42 = 666.
It is an interprime number because it is at equal distance from previous prime (50538387037) and next prime (50538387047).
It is not an unprimeable number, because it can be changed into a prime (50538387047) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 496588 + ... + 589640.
It is an arithmetic number, because the mean of its divisors is an integer number (1346398326).
Almost surely, 250538387042 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50538387042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64627119648).
50538387042 is an abundant number, since it is smaller than the sum of its proper divisors (78715852254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50538387042 is a wasteful number, since it uses less digits than its factorization.
50538387042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93296 (or 93293 counting only the distinct ones).
The product of its (nonzero) digits is 806400, while the sum is 45.
It can be divided in two parts, 50538 and 387042, that added together give a triangular number (437580 = T935).
The spelling of 50538387042 in words is "fifty billion, five hundred thirty-eight million, three hundred eighty-seven thousand, forty-two".
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