Base | Representation |
---|---|
bin | 110001011101000101… |
… | …000101101000010101 |
3 | 12002001201022121000112 |
4 | 301131011011220111 |
5 | 1332222403104141 |
6 | 40221103252405 |
7 | 3556616641352 |
oct | 613505055025 |
9 | 162051277015 |
10 | 53101222421 |
11 | 2057a28a395 |
12 | a35b5aa105 |
13 | 5013405290 |
14 | 27da565629 |
15 | 15abc807eb |
hex | c5d145a15 |
53101222421 has 32 divisors (see below), whose sum is σ = 60515320320. Its totient is φ = 46269010944.
The previous prime is 53101222417. The next prime is 53101222459. The reversal of 53101222421 is 12422210135.
It is not a de Polignac number, because 53101222421 - 22 = 53101222417 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53101222481) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1896701 + ... + 1924493.
It is an arithmetic number, because the mean of its divisors is an integer number (1891103760).
Almost surely, 253101222421 is an apocalyptic number.
It is an amenable number.
53101222421 is a deficient number, since it is larger than the sum of its proper divisors (7414097899).
53101222421 is a wasteful number, since it uses less digits than its factorization.
53101222421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27965.
The product of its (nonzero) digits is 960, while the sum is 23.
Adding to 53101222421 its reverse (12422210135), we get a palindrome (65523432556).
The spelling of 53101222421 in words is "fifty-three billion, one hundred one million, two hundred twenty-two thousand, four hundred twenty-one".
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