Base | Representation |
---|---|
bin | 1110101011010011011… |
… | …1000111101100111000 |
3 | 220002211020111200002021 |
4 | 3222310313013230320 |
5 | 13112341431422022 |
6 | 311455503444224 |
7 | 24134216322040 |
oct | 3526467075470 |
9 | 802736450067 |
10 | 252142451512 |
11 | 97a29927836 |
12 | 40a49bb6674 |
13 | 1aa13bc1393 |
14 | c2bd18c720 |
15 | 685ae697c7 |
hex | 3ab4dc7b38 |
252142451512 has 16 divisors (see below), whose sum is σ = 540305253360. Its totient is φ = 108061050624.
The previous prime is 252142451503. The next prime is 252142451551. The reversal of 252142451512 is 215154241252.
It is a super-2 number, since 2×2521424515122 (a number of 24 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2251271833 + ... + 2251271944.
It is an arithmetic number, because the mean of its divisors is an integer number (33769078335).
Almost surely, 2252142451512 is an apocalyptic number.
It is an amenable number.
252142451512 is an abundant number, since it is smaller than the sum of its proper divisors (288162801848).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252142451512 is a wasteful number, since it uses less digits than its factorization.
252142451512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4502543790 (or 4502543786 counting only the distinct ones).
The product of its digits is 32000, while the sum is 34.
Adding to 252142451512 its reverse (215154241252), we get a palindrome (467296692764).
The spelling of 252142451512 in words is "two hundred fifty-two billion, one hundred forty-two million, four hundred fifty-one thousand, five hundred twelve".
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