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10132112221 = 711400732839
BaseRepresentation
bin10010110111110101…
…11100001101011101
3222011010100122000121
421123322330031131
5131222310042341
64353222154541
7506040350530
oct113372741535
928133318017
1010132112221
11432a349970
121b69282a51
13c5619549a
146c1912a17
153e47a74d1
hex25bebc35d

10132112221 has 16 divisors (see below), whose sum is σ = 12635781120. Its totient is φ = 7892941680.

The previous prime is 10132112219. The next prime is 10132112233. The reversal of 10132112221 is 12221123101.

It is a cyclic number.

It is not a de Polignac number, because 10132112221 - 21 = 10132112219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10132112195 and 10132112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10132112201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292120 + ... + 324958.

It is an arithmetic number, because the mean of its divisors is an integer number (789736320).

Almost surely, 210132112221 is an apocalyptic number.

10132112221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10132112221 is a deficient number, since it is larger than the sum of its proper divisors (2503668899).

10132112221 is a wasteful number, since it uses less digits than its factorization.

10132112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36864.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10132112221 its reverse (12221123101), we get a palindrome (22353235322).

The spelling of 10132112221 in words is "ten billion, one hundred thirty-two million, one hundred twelve thousand, two hundred twenty-one".

Divisors: 1 7 11 77 4007 28049 32839 44077 229873 308539 361229 2528603 131585873 921101111 1447444603 10132112221