Base | Representation |
---|---|
bin | 10010101000110011… |
… | …110011110011110110 |
3 | 1220122200011002202011 |
4 | 102220303303303312 |
5 | 311441034214110 |
6 | 13105435034434 |
7 | 1305626250316 |
oct | 225063636366 |
9 | 56580132664 |
10 | 20012023030 |
11 | 853a2a110a |
12 | 3a65b9ba1a |
13 | 1b6c02725c |
14 | d7bb35446 |
15 | 7c1d4348a |
hex | 4a8cf3cf6 |
20012023030 has 32 divisors (see below), whose sum is σ = 39140674560. Its totient is φ = 7338872160.
The previous prime is 20012023027. The next prime is 20012023033. The reversal of 20012023030 is 3032021002.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20012023027) and next prime (20012023033).
It is a self number, because there is not a number n which added to its sum of digits gives 20012023030.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20012023033) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1692924 + ... + 1704703.
It is an arithmetic number, because the mean of its divisors is an integer number (1223146080).
Almost surely, 220012023030 is an apocalyptic number.
20012023030 is a deficient number, since it is larger than the sum of its proper divisors (19128651530).
20012023030 is a wasteful number, since it uses less digits than its factorization.
20012023030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3397684.
The product of its (nonzero) digits is 72, while the sum is 13.
Adding to 20012023030 its reverse (3032021002), we get a palindrome (23044044032).
The spelling of 20012023030 in words is "twenty billion, twelve million, twenty-three thousand, thirty".
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