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133003211 = 11191494271
BaseRepresentation
bin1111110110101…
…11011111001011
3100021021021002212
413323113133023
5233022100321
621110415335
73203336315
oct773273713
9307237085
10133003211
1169093310
123866154b
132172a733
14139427b5
15ba2355b
hex7ed77cb

133003211 has 16 divisors (see below), whose sum is σ = 153792000. Its totient is φ = 113752800.

The previous prime is 133003207. The next prime is 133003231. The reversal of 133003211 is 112300331.

It is a cyclic number.

It is not a de Polignac number, because 133003211 - 22 = 133003207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133003231) 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, 29006 + ... + 33276.

It is an arithmetic number, because the mean of its divisors is an integer number (9612000).

Almost surely, 2133003211 is an apocalyptic number.

133003211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133003211 is a deficient number, since it is larger than the sum of its proper divisors (20788789).

133003211 is a wasteful number, since it uses less digits than its factorization.

133003211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4450.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 133003211 is about 11532.7018083362. The cubic root of 133003211 is about 510.4509800491.

Adding to 133003211 its reverse (112300331), we get a palindrome (245303542).

The spelling of 133003211 in words is "one hundred thirty-three million, three thousand, two hundred eleven".

Divisors: 1 11 19 149 209 1639 2831 4271 31141 46981 81149 636379 892639 7000169 12091201 133003211