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20211130203 = 311612458491
BaseRepresentation
bin10010110100101011…
…010101111101011011
31221011112210210102220
4102310223111331123
5312343022131303
613141310355123
71313564525565
oct226453257533
957145723386
1020211130203
1186317242a0
123b007bbaa3
131ba135b054
14d9a364335
157d4573053
hex4b4ad5f5b

20211130203 has 8 divisors (see below), whose sum is σ = 29398007616. Its totient is φ = 12249169800.

The previous prime is 20211130201. The next prime is 20211130259. The reversal of 20211130203 is 30203111202.

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

It is not a de Polignac number, because 20211130203 - 21 = 20211130201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20211130201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306229213 + ... + 306229278.

It is an arithmetic number, because the mean of its divisors is an integer number (3674750952).

Almost surely, 220211130203 is an apocalyptic number.

20211130203 is a deficient number, since it is larger than the sum of its proper divisors (9186877413).

20211130203 is a wasteful number, since it uses less digits than its factorization.

20211130203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612458505.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20211130203 its reverse (30203111202), we get a palindrome (50414241405).

The spelling of 20211130203 in words is "twenty billion, two hundred eleven million, one hundred thirty thousand, two hundred three".

Divisors: 1 3 11 33 612458491 1837375473 6737043401 20211130203