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20133031364 = 2285711814973
BaseRepresentation
bin10010110000000001…
…011010110111000100
31220222002211221222022
4102300001122313010
5312213024000424
613125440422312
71311625641305
oct226001326704
956862757868
1020133031364
1185a16314a6
123a9a617998
131b8b115114
14d8dc347ac
157cc79795e
hex4b005adc4

20133031364 has 24 divisors (see below), whose sum is σ = 35310883608. Its totient is φ = 10044235520.

The previous prime is 20133031363. The next prime is 20133031379. The reversal of 20133031364 is 46313033102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13707726400 + 6425304964 = 117080^2 + 80158^2 .

It is not an unprimeable number, because it can be changed into a prime (20133031363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4045982 + ... + 4050954.

It is an arithmetic number, because the mean of its divisors is an integer number (1471286817).

Almost surely, 220133031364 is an apocalyptic number.

It is an amenable number.

20133031364 is a deficient number, since it is larger than the sum of its proper divisors (15177852244).

20133031364 is a wasteful number, since it uses less digits than its factorization.

20133031364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7015 (or 7013 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 20133031364 its reverse (46313033102), we get a palindrome (66446064466).

The spelling of 20133031364 in words is "twenty billion, one hundred thirty-three million, thirty-one thousand, three hundred sixty-four".

Divisors: 1 2 4 857 1181 1714 2362 3428 4724 4973 9946 19892 1012117 2024234 4048468 4261861 5873113 8523722 11746226 17047444 23492452 5033257841 10066515682 20133031364