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20133746061 = 3111346931809
BaseRepresentation
bin10010110000000100…
…001001010110001101
31220222011012021100120
4102300010021112031
5312213214333221
613125504015153
71311635006052
oct226004112615
956864167316
1020133746061
1185a1a7a460
123a9a9014b9
131b8b305510
14d8dd7d029
157cc8895c6
hex4b010958d

20133746061 has 16 divisors (see below), whose sum is σ = 31538176320. Its totient is φ = 11263633920.

The previous prime is 20133746041. The next prime is 20133746069. The reversal of 20133746061 is 16064733102.

It is not a de Polignac number, because 20133746061 - 29 = 20133745549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133746069) 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, 23465476 + ... + 23466333.

It is an arithmetic number, because the mean of its divisors is an integer number (1971136020).

Almost surely, 220133746061 is an apocalyptic number.

It is an amenable number.

20133746061 is a deficient number, since it is larger than the sum of its proper divisors (11404430259).

20133746061 is a wasteful number, since it uses less digits than its factorization.

20133746061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46931836.

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 20133746061 in words is "twenty billion, one hundred thirty-three million, seven hundred forty-six thousand, sixty-one".

Divisors: 1 3 11 13 33 39 143 429 46931809 140795427 516249899 610113517 1548749697 1830340551 6711248687 20133746061