Base | Representation |
---|---|
bin | 10010101110001100… |
… | …010001011101100111 |
3 | 1220212222001202200022 |
4 | 102232030101131213 |
5 | 312132143301043 |
6 | 13122422305355 |
7 | 1311103626560 |
oct | 225614213547 |
9 | 56788052608 |
10 | 20102322023 |
11 | 8586267083 |
12 | 3a9028825b |
13 | 1b84952304 |
14 | d89b1d167 |
15 | 7c9c2d868 |
hex | 4ae311767 |
20102322023 has 32 divisors (see below), whose sum is σ = 24611490816. Its totient is φ = 16044956928.
The previous prime is 20102322011. The next prime is 20102322029. The reversal of 20102322023 is 32022320102.
It is not a de Polignac number, because 20102322023 - 210 = 20102320999 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20102321992 and 20102322010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20102322029) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2162261 + ... + 2171537.
It is an arithmetic number, because the mean of its divisors is an integer number (769109088).
Almost surely, 220102322023 is an apocalyptic number.
20102322023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
20102322023 is a deficient number, since it is larger than the sum of its proper divisors (4509168793).
20102322023 is a wasteful number, since it uses less digits than its factorization.
20102322023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9663.
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 20102322023 its reverse (32022320102), we get a palindrome (52124642125).
The spelling of 20102322023 in words is "twenty billion, one hundred two million, three hundred twenty-two thousand, twenty-three".
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