Search a number
-
+
12101102003 = 12919373433
BaseRepresentation
bin10110100010100100…
…00010100110110011
31011020100100200020002
423101102002212303
5144240340231003
65320440340215
7605606445524
oct132122024663
934210320202
1012101102003
11514a836051
12241877466b
1311ab0a2ab3
1482b21884b
154ac591a88
hex2d14829b3

12101102003 has 4 divisors (see below), whose sum is σ = 12110476728. Its totient is φ = 12091727280.

The previous prime is 12101101967. The next prime is 12101102009. The reversal of 12101102003 is 30020110121.

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 12101102003 - 26 = 12101101939 is a prime.

It is a super-2 number, since 2×121011020032 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101102009) 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, 4685426 + ... + 4688007.

It is an arithmetic number, because the mean of its divisors is an integer number (3027619182).

Almost surely, 212101102003 is an apocalyptic number.

12101102003 is a deficient number, since it is larger than the sum of its proper divisors (9374725).

12101102003 is an equidigital number, since it uses as much as digits as its factorization.

12101102003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9374724.

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

Adding to 12101102003 its reverse (30020110121), we get a palindrome (42121212124).

The spelling of 12101102003 in words is "twelve billion, one hundred one million, one hundred two thousand, three".

Divisors: 1 1291 9373433 12101102003