Search a number
-
+
10020101111 = 457101921517
BaseRepresentation
bin10010101010011111…
…01001101111110111
3221212022120212122222
421111033221233313
5131010121213421
64334141312555
7503210311526
oct112517515767
927768525588
1010020101111
1142820a42a9
121b3786575b
13c38c07917
146b0ab64bd
153d9a2dcab
hex2553e9bf7

10020101111 has 8 divisors (see below), whose sum is σ = 10052348880. Its totient is φ = 9987899328.

The previous prime is 10020101099. The next prime is 10020101171. The reversal of 10020101111 is 11110102001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10020101111 - 218 = 10019838967 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 (10020101171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454925 + ... + 476441.

It is an arithmetic number, because the mean of its divisors is an integer number (1256543610).

Almost surely, 210020101111 is an apocalyptic number.

10020101111 is a deficient number, since it is larger than the sum of its proper divisors (32247769).

10020101111 is a wasteful number, since it uses less digits than its factorization.

10020101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22993.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10020101111 its reverse (11110102001), we get a palindrome (21130203112).

The spelling of 10020101111 in words is "ten billion, twenty million, one hundred one thousand, one hundred eleven".

Divisors: 1 457 1019 21517 465683 9833269 21925823 10020101111