Search a number
-
+
10132111321 = 29349383149
BaseRepresentation
bin10010110111110101…
…11011111111011001
3222011010100120210021
421123322323333121
5131222310030241
64353222150441
7506040345103
oct113372737731
928133316707
1010132111321
11432a349222
121b69282421
13c56194c57
146c1912573
153e47a70d1
hex25bebbfd9

10132111321 has 4 divisors (see below), whose sum is σ = 10481494500. Its totient is φ = 9782728144.

The previous prime is 10132111313. The next prime is 10132111351. The reversal of 10132111321 is 12311123101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8500840000 + 1631271321 = 92200^2 + 40389^2 .

It is a cyclic number.

It is not a de Polignac number, because 10132111321 - 23 = 10132111313 is a prime.

It is a super-2 number, since 2×101321113212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10132111295 and 10132111304.

It is not an unprimeable number, because it can be changed into a prime (10132111351) 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, 174691546 + ... + 174691603.

It is an arithmetic number, because the mean of its divisors is an integer number (2620373625).

Almost surely, 210132111321 is an apocalyptic number.

It is an amenable number.

10132111321 is a deficient number, since it is larger than the sum of its proper divisors (349383179).

10132111321 is an equidigital number, since it uses as much as digits as its factorization.

10132111321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349383178.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10132111321 its reverse (12311123101), we get a palindrome (22443234422).

The spelling of 10132111321 in words is "ten billion, one hundred thirty-two million, one hundred eleven thousand, three hundred twenty-one".

Divisors: 1 29 349383149 10132111321