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20100223033 = 1161731972083
BaseRepresentation
bin10010101110000100…
…010001000000111001
31220212211010010101221
4102232010101000321
5312131124114113
613122305312041
71311050035222
oct225604210071
956784103357
1020100223033
118585063080
123a8b635621
131b84398ac7
14d89734249
157c996698d
hex4ae111039

20100223033 has 32 divisors (see below), whose sum is σ = 22717867392. Its totient is φ = 17628710400.

The previous prime is 20100223007. The next prime is 20100223049. The reversal of 20100223033 is 33032200102.

It is a cyclic number.

It is not a de Polignac number, because 20100223033 - 217 = 20100091961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20100222998 and 20100223016.

It is not an unprimeable number, because it can be changed into a prime (20100223133) 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 31 ways as a sum of consecutive naturals, for example, 9648610 + ... + 9650692.

It is an arithmetic number, because the mean of its divisors is an integer number (709933356).

Almost surely, 220100223033 is an apocalyptic number.

It is an amenable number.

20100223033 is a deficient number, since it is larger than the sum of its proper divisors (2617644359).

20100223033 is a wasteful number, since it uses less digits than its factorization.

20100223033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20100223033 its reverse (33032200102), we get a palindrome (53132423135).

The spelling of 20100223033 in words is "twenty billion, one hundred million, two hundred twenty-three thousand, thirty-three".

Divisors: 1 11 61 73 197 671 803 2083 2167 4453 12017 14381 22913 48983 127063 132187 152059 158191 410351 877241 1397693 1672649 4513861 9275599 9649651 25031411 29955623 102031589 275345521 329511853 1827293003 20100223033