Base | Representation |
---|---|
bin | 1001010110111101… |
… | …1110110101010000 |
3 | 20111002020122012021 |
4 | 2111233132311100 |
5 | 20121114032430 |
6 | 1053142141224 |
7 | 116153535361 |
oct | 22557366520 |
9 | 6432218167 |
10 | 2512252240 |
11 | 107a112323 |
12 | 5a1421814 |
13 | 31062c1b4 |
14 | 19b91db68 |
15 | ea84b07a |
hex | 95bded50 |
2512252240 has 40 divisors (see below), whose sum is σ = 5857884000. Its totient is φ = 1001993856.
The previous prime is 2512252201. The next prime is 2512252271. The reversal of 2512252240 is 422522152.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×25122522402 = 12622822634770035200, which 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 7 ways as a sum of consecutive naturals, for example, 17490 + ... + 73009.
It is an arithmetic number, because the mean of its divisors is an integer number (146447100).
Almost surely, 22512252240 is an apocalyptic number.
2512252240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2512252240 is an abundant number, since it is smaller than the sum of its proper divisors (3345631760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2512252240 is a wasteful number, since it uses less digits than its factorization.
2512252240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90859 (or 90853 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 25.
The square root of 2512252240 is about 50122.3726493469. The cubic root of 2512252240 is about 1359.4223758113.
Adding to 2512252240 its reverse (422522152), we get a palindrome (2934774392).
The spelling of 2512252240 in words is "two billion, five hundred twelve million, two hundred fifty-two thousand, two hundred forty".
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