Search a number
-
+
20132103132 = 2232559225087
BaseRepresentation
bin10010101111111101…
…111000001111011100
31220222001002210200100
4102233331320033130
5312212304300012
613125404501100
71311615024141
oct225775701734
956861083610
1020132103132
1185a1058069
123a9a24a790
131b8ab7b77b
14d8da723c8
157cc6628dc
hex4aff783dc

20132103132 has 18 divisors (see below), whose sum is σ = 50889483008. Its totient is φ = 6710701032.

The previous prime is 20132103127. The next prime is 20132103139. The reversal of 20132103132 is 23130123102.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132103139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 279612508 + ... + 279612579.

Almost surely, 220132103132 is an apocalyptic number.

It is an amenable number.

20132103132 is an abundant number, since it is smaller than the sum of its proper divisors (30757379876).

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

20132103132 is a wasteful number, since it uses less digits than its factorization.

20132103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559225097 (or 559225092 counting only the distinct ones).

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

Adding to 20132103132 its reverse (23130123102), we get a palindrome (43262226234).

The spelling of 20132103132 in words is "twenty billion, one hundred thirty-two million, one hundred three thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 559225087 1118450174 1677675261 2236900348 3355350522 5033025783 6710701044 10066051566 20132103132