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29202120203 = 101289129903
BaseRepresentation
bin11011001100100101…
…001111111000001011
32210101010221102001112
4123030211033320023
5434301220321303
621225410440535
72052440632454
oct331445177013
983333842045
1029202120203
1111425921143
1257ab89314b
1329a4ca5289
1415b04b212b
15b5da700d8
hex6cc94fe0b

29202120203 has 4 divisors (see below), whose sum is σ = 29491250208. Its totient is φ = 28912990200.

The previous prime is 29202120191. The next prime is 29202120221. The reversal of 29202120203 is 30202120292.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29202120203 - 216 = 29202054667 is a prime.

It is a super-2 number, since 2×292021202032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29202120503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144564851 + ... + 144565052.

It is an arithmetic number, because the mean of its divisors is an integer number (7372812552).

Almost surely, 229202120203 is an apocalyptic number.

29202120203 is a deficient number, since it is larger than the sum of its proper divisors (289130005).

29202120203 is a wasteful number, since it uses less digits than its factorization.

29202120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289130004.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 29202120203 its reverse (30202120292), we get a palindrome (59404240495).

The spelling of 29202120203 in words is "twenty-nine billion, two hundred two million, one hundred twenty thousand, two hundred three".

Divisors: 1 101 289129903 29202120203