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20100000330 = 2325966123117
BaseRepresentation
bin10010101110000011…
…011010101001001010
31220212210200210220200
4102232003122221022
5312131100002310
613122300433030
71311045120024
oct225603325112
956783623820
1020100000330
118584a20823
123a8b548776
131b8431b627
14d896b7014
157c99209c0
hex4ae0daa4a

20100000330 has 48 divisors (see below), whose sum is σ = 52267671144. Its totient is φ = 5359213440.

The previous prime is 20100000299. The next prime is 20100000377. The reversal of 20100000330 is 3300000102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2272142889 + 17827857441 = 47667^2 + 133521^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 857932 + ... + 881048.

Almost surely, 220100000330 is an apocalyptic number.

20100000330 is an abundant number, since it is smaller than the sum of its proper divisors (32167670814).

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

20100000330 is a wasteful number, since it uses less digits than its factorization.

20100000330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32791 (or 32788 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

Adding to 20100000330 its reverse (3300000102), we get a palindrome (23400000432).

The spelling of 20100000330 in words is "twenty billion, one hundred million, three hundred thirty", and thus it is an aban number.

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 9661 19322 23117 28983 46234 48305 57966 69351 86949 96610 115585 138702 144915 173898 208053 231170 289830 346755 416106 434745 693510 869490 1040265 2080530 223333337 446666674 670000011 1116666685 1340000022 2010000033 2233333370 3350000055 4020000066 6700000110 10050000165 20100000330