Base | Representation |
---|---|
bin | 110000101010011010… |
… | …010010100000001000 |
3 | 11222212110202001010010 |
4 | 300222122102200020 |
5 | 1324002243022102 |
6 | 40000455151520 |
7 | 3526555244256 |
oct | 605232224010 |
9 | 158773661103 |
10 | 52251142152 |
11 | 20183453510 |
12 | a1629755a0 |
13 | 4c092695c1 |
14 | 27596c15d6 |
15 | 155c314d6c |
hex | c2a692808 |
52251142152 has 32 divisors (see below), whose sum is σ = 142503115680. Its totient is φ = 15833679360.
The previous prime is 52251142129. The next prime is 52251142169. The reversal of 52251142152 is 25124115225.
It is a super-2 number, since 2×522511421522 (a number of 22 digits) contains 22 as substring.
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, 98960233 + ... + 98960760.
It is an arithmetic number, because the mean of its divisors is an integer number (4453222365).
Almost surely, 252251142152 is an apocalyptic number.
It is an amenable number.
52251142152 is an abundant number, since it is smaller than the sum of its proper divisors (90251973528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
52251142152 is a wasteful number, since it uses less digits than its factorization.
52251142152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 197921013 (or 197921009 counting only the distinct ones).
The product of its digits is 8000, while the sum is 30.
Adding to 52251142152 its reverse (25124115225), we get a palindrome (77375257377).
The spelling of 52251142152 in words is "fifty-two billion, two hundred fifty-one million, one hundred forty-two thousand, one hundred fifty-two".
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