Base | Representation |
---|---|
bin | 10010101010011110… |
… | …10001000100010111 |
3 | 221212022101201222222 |
4 | 21111033101010113 |
5 | 131010110000043 |
6 | 4334135212555 |
7 | 503206411025 |
oct | 112517210427 |
9 | 27768351888 |
10 | 10020000023 |
11 | 4282035360 |
12 | 1b3781715b |
13 | c38ba08c7 |
14 | 6b0a8b715 |
15 | 3d9a0dd68 |
hex | 2553d1117 |
10020000023 has 4 divisors (see below), whose sum is σ = 10930909128. Its totient is φ = 9109090920.
The previous prime is 10020000019. The next prime is 10020000043. The reversal of 10020000023 is 32000002001.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 10020000023 - 22 = 10020000019 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10020000043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455454536 + ... + 455454557.
It is an arithmetic number, because the mean of its divisors is an integer number (2732727282).
Almost surely, 210020000023 is an apocalyptic number.
10020000023 is a deficient number, since it is larger than the sum of its proper divisors (910909105).
10020000023 is an equidigital number, since it uses as much as digits as its factorization.
10020000023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 910909104.
The product of its (nonzero) digits is 12, while the sum is 8.
Adding to 10020000023 its reverse (32000002001), we get a palindrome (42020002024).
The spelling of 10020000023 in words is "ten billion, twenty million, twenty-three", and thus it is an aban number and an uban number.
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