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11213000145 = 325249177781
BaseRepresentation
bin10100111000101100…
…01100110111010001
31001221110020102111200
422130112030313101
5140431012001040
65052353301413
7544603633344
oct123426146721
931843212450
1011213000145
11483449aa76
12220b264869
1310990b3c39
147852b845b
15459615630
hex29c58cdd1

11213000145 has 12 divisors (see below), whose sum is σ = 19435866996. Its totient is φ = 5980266720.

The previous prime is 11213000143. The next prime is 11213000153. The reversal of 11213000145 is 54100031211.

11213000145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7648551936 + 3564448209 = 87456^2 + 59703^2 .

It is not a de Polignac number, because 11213000145 - 21 = 11213000143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11213000143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124588846 + ... + 124588935.

It is an arithmetic number, because the mean of its divisors is an integer number (1619655583).

Almost surely, 211213000145 is an apocalyptic number.

11213000145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11213000145 is a deficient number, since it is larger than the sum of its proper divisors (8222866851).

11213000145 is a wasteful number, since it uses less digits than its factorization.

11213000145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249177792 (or 249177789 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 11213000145 its reverse (54100031211), we get a palindrome (65313031356).

The spelling of 11213000145 in words is "eleven billion, two hundred thirteen million, one hundred forty-five", and thus it is an aban number.

Divisors: 1 3 5 9 15 45 249177781 747533343 1245888905 2242600029 3737666715 11213000145