Base | Representation |
---|---|
bin | 110001011110110110… |
… | …110101011011000110 |
3 | 12002010210102111200010 |
4 | 301132312311123012 |
5 | 1332303021243304 |
6 | 40224050331050 |
7 | 3560431251402 |
oct | 613666653306 |
9 | 162123374603 |
10 | 53131040454 |
11 | 205950a6098 |
12 | a369589a86 |
13 | 501964549b |
14 | 28004c8102 |
15 | 15ae6c0789 |
hex | c5edb56c6 |
53131040454 has 16 divisors (see below), whose sum is σ = 106265328192. Its totient is φ = 17709805608.
The previous prime is 53131040441. The next prime is 53131040467. The reversal of 53131040454 is 45404013135.
It is an interprime number because it is at equal distance from previous prime (53131040441) and next prime (53131040467).
It is a super-2 number, since 2×531310404542 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112237 + ... + 344759.
It is an arithmetic number, because the mean of its divisors is an integer number (6641583012).
Almost surely, 253131040454 is an apocalyptic number.
53131040454 is an abundant number, since it is smaller than the sum of its proper divisors (53134287738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53131040454 is a wasteful number, since it uses less digits than its factorization.
53131040454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270611.
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 53131040454 its reverse (45404013135), we get a palindrome (98535053589).
The spelling of 53131040454 in words is "fifty-three billion, one hundred thirty-one million, forty thousand, four hundred fifty-four".
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