Base | Representation |
---|---|
bin | 10010101110001011… |
… | …000101100010010110 |
3 | 1220212221110222002001 |
4 | 102232023011202112 |
5 | 312132103323110 |
6 | 13122411505514 |
7 | 1311101163103 |
oct | 225613054226 |
9 | 56787428061 |
10 | 20102011030 |
11 | 8586074462 |
12 | 3a9015829a |
13 | 1b848738aa |
14 | d89a7baaa |
15 | 7c9bbb63a |
hex | 4ae2c5896 |
20102011030 has 32 divisors (see below), whose sum is σ = 36298342080. Its totient is φ = 8015349120.
The previous prime is 20102010953. The next prime is 20102011037. The reversal of 20102011030 is 3011020102.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a junction number, because it is equal to n+sod(n) for n = 20102010998 and 20102011016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20102011037) 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, 7185592 + ... + 7188388.
It is an arithmetic number, because the mean of its divisors is an integer number (1134323190).
Almost surely, 220102011030 is an apocalyptic number.
20102011030 is a deficient number, since it is larger than the sum of its proper divisors (16196331050).
20102011030 is a wasteful number, since it uses less digits than its factorization.
20102011030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4824.
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 20102011030 its reverse (3011020102), we get a palindrome (23113031132).
The spelling of 20102011030 in words is "twenty billion, one hundred two million, eleven thousand, thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •