Base | Representation |
---|---|
bin | 110001101110001100… |
… | …111110010000100010 |
3 | 12002210201212220120210 |
4 | 301232030332100202 |
5 | 1333314424031200 |
6 | 40305404514550 |
7 | 3600005531322 |
oct | 615614762042 |
9 | 162721786523 |
10 | 53388502050 |
11 | 20707465874 |
12 | a41b84ba56 |
13 | 505aa9b220 |
14 | 2826787282 |
15 | 15c70ca650 |
hex | c6e33e422 |
53388502050 has 48 divisors (see below), whose sum is σ = 142588373760. Its totient is φ = 13141784640.
The previous prime is 53388502049. The next prime is 53388502051. The reversal of 53388502050 is 5020588335.
It is an interprime number because it is at equal distance from previous prime (53388502049) and next prime (53388502051).
It is a super-2 number, since 2×533885020502 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (53388502051) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13687410 + ... + 13691309.
It is an arithmetic number, because the mean of its divisors is an integer number (2970591120).
Almost surely, 253388502050 is an apocalyptic number.
53388502050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
53388502050 is an abundant number, since it is smaller than the sum of its proper divisors (89199871710).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53388502050 is a wasteful number, since it uses less digits than its factorization.
53388502050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27378747 (or 27378742 counting only the distinct ones).
The product of its (nonzero) digits is 144000, while the sum is 39.
The spelling of 53388502050 in words is "fifty-three billion, three hundred eighty-eight million, five hundred two thousand, fifty".
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