Base | Representation |
---|---|
bin | 111111110010001… |
… | …1010110101101110 |
3 | 12112011021010221000 |
4 | 1333210122311232 |
5 | 13340401103200 |
6 | 552213021130 |
7 | 104015566161 |
oct | 17744326556 |
9 | 5464233830 |
10 | 2140253550 |
11 | 9a9132196 |
12 | 4b89247a6 |
13 | 281542c26 |
14 | 164367ad8 |
15 | c7d69300 |
hex | 7f91ad6e |
2140253550 has 48 divisors (see below), whose sum is σ = 5897591280. Its totient is φ = 570733920.
The previous prime is 2140253527. The next prime is 2140253597. The reversal of 2140253550 is 553520412.
It is a happy number.
2140253550 is a `hidden beast` number, since 21 + 40 + 2 + 53 + 550 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 791337 + ... + 794036.
It is an arithmetic number, because the mean of its divisors is an integer number (122866485).
Almost surely, 22140253550 is an apocalyptic number.
2140253550 is an abundant number, since it is smaller than the sum of its proper divisors (3757337730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140253550 is a wasteful number, since it uses less digits than its factorization.
2140253550 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1585394 (or 1585383 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 2140253550 is about 46262.8744243157. The cubic root of 2140253550 is about 1288.7096345235.
Adding to 2140253550 its reverse (553520412), we get a palindrome (2693773962).
The spelling of 2140253550 in words is "two billion, one hundred forty million, two hundred fifty-three thousand, five hundred fifty".
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