Search a number
-
+
10101210023 = 294344918041
BaseRepresentation
bin10010110100001010…
…00011101110100111
3222001222012122011202
421122011003232213
5131141402210043
64350155553115
7505213603622
oct113205035647
928058178152
1010101210023
114313962663
121b5aa5b79b
13c4c965968
146bb78adb9
153e1c011b8
hex25a143ba7

10101210023 has 16 divisors (see below), whose sum is σ = 10716948000. Its totient is φ = 9504337920.

The previous prime is 10101210019. The next prime is 10101210071. The reversal of 10101210023 is 32001210101.

10101210023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10101210023 - 22 = 10101210019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101209986 and 10101210013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101210013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550883 + ... + 568923.

It is an arithmetic number, because the mean of its divisors is an integer number (669809250).

Almost surely, 210101210023 is an apocalyptic number.

10101210023 is a deficient number, since it is larger than the sum of its proper divisors (615737977).

10101210023 is a wasteful number, since it uses less digits than its factorization.

10101210023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18562.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 10101210023 its reverse (32001210101), we get a palindrome (42102420124).

The spelling of 10101210023 in words is "ten billion, one hundred one million, two hundred ten thousand, twenty-three".

Divisors: 1 29 43 449 1247 13021 18041 19307 523189 559903 775763 8100409 22497127 234911861 348317587 10101210023