Base | Representation |
---|---|
bin | 1010101100010001… |
… | …0000101111111000 |
3 | 21102000110011211020 |
4 | 2223010100233320 |
5 | 21334211133422 |
6 | 1152442302440 |
7 | 131056530330 |
oct | 25304205770 |
9 | 7360404736 |
10 | 2870021112 |
11 | 1243063382 |
12 | 6811b7a20 |
13 | 3697a555a |
14 | 1d32500c0 |
15 | 11be6b95c |
hex | ab110bf8 |
2870021112 has 64 divisors (see below), whose sum is σ = 8322481920. Its totient is φ = 807763968.
The previous prime is 2870021101. The next prime is 2870021131. The reversal of 2870021112 is 2111200782.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116233 + ... + 138744.
It is an arithmetic number, because the mean of its divisors is an integer number (130038780).
Almost surely, 22870021112 is an apocalyptic number.
It is an amenable number.
2870021112 is an abundant number, since it is smaller than the sum of its proper divisors (5452460808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2870021112 is a wasteful number, since it uses less digits than its factorization.
2870021112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255060 (or 255056 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 24.
The square root of 2870021112 is about 53572.5779853835. The cubic root of 2870021112 is about 1421.1121869298.
Adding to 2870021112 its reverse (2111200782), we get a palindrome (4981221894).
The spelling of 2870021112 in words is "two billion, eight hundred seventy million, twenty-one thousand, one hundred twelve".
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