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211103299 = 11157251487
BaseRepresentation
bin11001001010100…
…10111001000011
3112201020011021201
430211102321003
5413020301144
632540402031
75142230341
oct1445227103
9481204251
10211103299
11a9187040
125a846317
13349740c4
1420072991
15137ee1d4
hexc952e43

211103299 has 16 divisors (see below), whose sum is σ = 233162496. Its totient is φ = 189540000.

The previous prime is 211103261. The next prime is 211103303. The reversal of 211103299 is 992301112.

It is a cyclic number.

It is not a de Polignac number, because 211103299 - 213 = 211095107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211203299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433234 + ... + 433720.

It is an arithmetic number, because the mean of its divisors is an integer number (14572656).

Almost surely, 2211103299 is an apocalyptic number.

211103299 is a deficient number, since it is larger than the sum of its proper divisors (22059197).

211103299 is a wasteful number, since it uses less digits than its factorization.

211103299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 211103299 is about 14529.3943094680. The cubic root of 211103299 is about 595.4313177951.

The spelling of 211103299 in words is "two hundred eleven million, one hundred three thousand, two hundred ninety-nine".

Divisors: 1 11 157 251 487 1727 2761 5357 39407 76459 122237 433477 841049 1344607 19191209 211103299