Search a number
-
+
10122212011 = 47270779559
BaseRepresentation
bin10010110110101010…
…01011001010101011
3222010102201122111011
421123111023022223
5131212241241021
64352230044351
7505560245122
oct113325131253
928112648434
1010122212011
1143247a777a
121b65aa96b7
13c5410a182
146c0496ab9
153e399dde1
hex25b54b2ab

10122212011 has 8 divisors (see below), whose sum is σ = 10341527040. Its totient is φ = 9903061608.

The previous prime is 10122211999. The next prime is 10122212017. The reversal of 10122212011 is 11021222101.

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 10122212011 - 29 = 10122211499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10122211982 and 10122212000.

It is not an unprimeable number, because it can be changed into a prime (10122212017) 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, 87450 + ... + 167008.

It is an arithmetic number, because the mean of its divisors is an integer number (1292690880).

Almost surely, 210122212011 is an apocalyptic number.

10122212011 is a deficient number, since it is larger than the sum of its proper divisors (219315029).

10122212011 is an equidigital number, since it uses as much as digits as its factorization.

10122212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82313.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10122212011 its reverse (11021222101), we get a palindrome (21143434112).

The spelling of 10122212011 in words is "ten billion, one hundred twenty-two million, two hundred twelve thousand, eleven".

Divisors: 1 47 2707 79559 127229 3739273 215366213 10122212011