Base | Representation |
---|---|
bin | 110000011110011111… |
… | …100111011101110100 |
3 | 11222100112112112201011 |
4 | 300132133213131310 |
5 | 1323100102242043 |
6 | 35524554042004 |
7 | 3521610001045 |
oct | 603637473564 |
9 | 158315475634 |
10 | 52051212148 |
11 | 20090609101 |
12 | a107a19304 |
13 | 4ba6a08120 |
14 | 273ad1a8cc |
15 | 15499c159d |
hex | c1e7e7774 |
52051212148 has 24 divisors (see below), whose sum is σ = 98964637128. Its totient is φ = 23811035136.
The previous prime is 52051212133. The next prime is 52051212149. The reversal of 52051212148 is 84121215025.
It can be written as a sum of positive squares in 4 ways, for example, as 5745336804 + 46305875344 = 75798^2 + 215188^2 .
It is a super-2 number, since 2×520512121482 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52051212149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4423261 + ... + 4435012.
It is an arithmetic number, because the mean of its divisors is an integer number (4123526547).
Almost surely, 252051212148 is an apocalyptic number.
It is an amenable number.
52051212148 is a deficient number, since it is larger than the sum of its proper divisors (46913424980).
52051212148 is a wasteful number, since it uses less digits than its factorization.
52051212148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8858403 (or 8858401 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 31.
The spelling of 52051212148 in words is "fifty-two billion, fifty-one million, two hundred twelve thousand, one hundred forty-eight".
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