Base | Representation |
---|---|
bin | 111110111011011… |
… | …1000111100100110 |
3 | 12110011020101202100 |
4 | 1331312320330212 |
5 | 13311023303110 |
6 | 545305352530 |
7 | 103216542204 |
oct | 17566707446 |
9 | 5404211670 |
10 | 2111541030 |
11 | 993a01035 |
12 | 4ab198746 |
13 | 2785cbc81 |
14 | 160612074 |
15 | c5596bc0 |
hex | 7ddb8f26 |
2111541030 has 24 divisors (see below), whose sum is σ = 5490006912. Its totient is φ = 563077584.
The previous prime is 2111540909. The next prime is 2111541067. The reversal of 2111541030 is 301451112.
2111541030 is a `hidden beast` number, since 211 + 15 + 410 + 30 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 2111540994 and 2111541012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11730694 + ... + 11730873.
It is an arithmetic number, because the mean of its divisors is an integer number (228750288).
Almost surely, 22111541030 is an apocalyptic number.
2111541030 is an abundant number, since it is smaller than the sum of its proper divisors (3378465882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2111541030 is a wasteful number, since it uses less digits than its factorization.
2111541030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23461580 (or 23461577 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 2111541030 is about 45951.5073746227. The cubic root of 2111541030 is about 1282.9207857429.
Adding to 2111541030 its reverse (301451112), we get a palindrome (2412992142).
The spelling of 2111541030 in words is "two billion, one hundred eleven million, five hundred forty-one thousand, thirty".
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