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100012211 = 1323214543
BaseRepresentation
bin1011111011000…
…01000010110011
320222012010221222
411331201002303
5201100342321
613531335255
72323042535
oct575410263
9228163858
10100012211
11514aa722
12295b152b
1317949230
14d3d5855
158ba83ab
hex5f610b3

100012211 has 12 divisors (see below), whose sum is σ = 112599648. Its totient is φ = 88299024.

The previous prime is 100012189. The next prime is 100012217. The reversal of 100012211 is 112210001.

It is not a de Polignac number, because 100012211 - 222 = 95817907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100012217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 395 + ... + 14148.

It is an arithmetic number, because the mean of its divisors is an integer number (9383304).

Almost surely, 2100012211 is an apocalyptic number.

100012211 is a deficient number, since it is larger than the sum of its proper divisors (12587437).

100012211 is a wasteful number, since it uses less digits than its factorization.

100012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14602 (or 14579 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 100012211 is about 10000.6105313626. The cubic root of 100012211 is about 464.1777754061.

Adding to 100012211 its reverse (112210001), we get a palindrome (212222212).

The spelling of 100012211 in words is "one hundred million, twelve thousand, two hundred eleven".

Divisors: 1 13 23 299 529 6877 14543 189059 334489 4348357 7693247 100012211