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133002031212 = 22331816803869
BaseRepresentation
bin111101111011110001…
…0011111000001101100
3110201022010210020021000
41323313202133001230
54134342004444322
6141033355040300
712415625416641
oct1736742370154
9421263706230
10133002031212
11514511a7666
122193a140090
13c707b1a76b
14661a07ddc8
1536d66a93ac
hex1ef789f06c

133002031212 has 48 divisors (see below), whose sum is σ = 346725215200. Its totient is φ = 44089064640.

The previous prime is 133002031111. The next prime is 133002031219. The reversal of 133002031212 is 212130200331.

133002031212 is a `hidden beast` number, since 1 + 330 + 0 + 20 + 312 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (133002031219) 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, 3382387 + ... + 3421482.

Almost surely, 2133002031212 is an apocalyptic number.

133002031212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133002031212 is an abundant number, since it is smaller than the sum of its proper divisors (213723183988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133002031212 is a wasteful number, since it uses less digits than its factorization.

133002031212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804063 (or 6804055 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 133002031212 its reverse (212130200331), we get a palindrome (345132231543).

The spelling of 133002031212 in words is "one hundred thirty-three billion, two million, thirty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 181 362 543 724 1086 1629 2172 3258 4887 6516 9774 19548 6803869 13607738 20411607 27215476 40823214 61234821 81646428 122469642 183704463 244939284 367408926 734817852 1231500289 2463000578 3694500867 4926001156 7389001734 11083502601 14778003468 22167005202 33250507803 44334010404 66501015606 133002031212