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20100002331 = 353126415109
BaseRepresentation
bin10010101110000011…
…011011001000011011
31220212210200220122210
4102232003123020123
5312131100033311
613122300450203
71311045125613
oct225603331033
956783626583
1020100002331
118584a22282
123a8b549963
131b8431c506
14d896b7a43
157c99213a6
hex4ae0db21b

20100002331 has 8 divisors (see below), whose sum is σ = 27305663760. Its totient is φ = 13147171232.

The previous prime is 20100002317. The next prime is 20100002357. The reversal of 20100002331 is 13320000102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20100002331 - 26 = 20100002267 is a prime.

It is a super-2 number, since 2×201000023312 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20100002371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63207396 + ... + 63207713.

It is an arithmetic number, because the mean of its divisors is an integer number (3413207970).

Almost surely, 220100002331 is an apocalyptic number.

20100002331 is a deficient number, since it is larger than the sum of its proper divisors (7205661429).

20100002331 is a wasteful number, since it uses less digits than its factorization.

20100002331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126415165.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 20100002331 its reverse (13320000102), we get a palindrome (33420002433).

The spelling of 20100002331 in words is "twenty billion, one hundred million, two thousand, three hundred thirty-one".

Divisors: 1 3 53 159 126415109 379245327 6700000777 20100002331