Base | Representation |
---|---|
bin | 100100101011101… |
… | …1100111111001011 |
3 | 10011210010102112100 |
4 | 1021113130333023 |
5 | 10010101303221 |
6 | 322050044443 |
7 | 42334230312 |
oct | 11127347713 |
9 | 3153112470 |
10 | 1230884811 |
11 | 581890a82 |
12 | 2a4279723 |
13 | 168019110 |
14 | b968d279 |
15 | 730db926 |
hex | 495dcfcb |
1230884811 has 12 divisors (see below), whose sum is σ = 1914709888. Its totient is φ = 757467504.
The previous prime is 1230884801. The next prime is 1230884827. The reversal of 1230884811 is 1184880321.
It is not a de Polignac number, because 1230884811 - 217 = 1230753739 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1230884801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5260075 + ... + 5260308.
Almost surely, 21230884811 is an apocalyptic number.
1230884811 is a deficient number, since it is larger than the sum of its proper divisors (683825077).
1230884811 is a wasteful number, since it uses less digits than its factorization.
1230884811 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10520402 (or 10520399 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 36.
The square root of 1230884811 is about 35083.9680053440. The cubic root of 1230884811 is about 1071.6981249182.
The spelling of 1230884811 in words is "one billion, two hundred thirty million, eight hundred eighty-four thousand, eight hundred eleven".
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