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20211101202 = 2317198148051
BaseRepresentation
bin10010110100101011…
…001110111000010010
31221011112202022122210
4102310223032320102
5312343020214302
613141310012550
71313564345205
oct226453167022
957145668583
1020211101202
118631704526
123b007a7156
131ba134aaa6
14d9a35793c
157d456966c
hex4b4acee12

20211101202 has 16 divisors (see below), whose sum is σ = 42799979232. Its totient is φ = 6340737600.

The previous prime is 20211101191. The next prime is 20211101221. The reversal of 20211101202 is 20210111202.

It is a super-2 number, since 2×202111012022 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 99073924 + ... + 99074127.

It is an arithmetic number, because the mean of its divisors is an integer number (2674998702).

Almost surely, 220211101202 is an apocalyptic number.

20211101202 is an abundant number, since it is smaller than the sum of its proper divisors (22588878030).

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

20211101202 is a wasteful number, since it uses less digits than its factorization.

20211101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198148073.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20211101202 its reverse (20210111202), we get a palindrome (40421212404).

The spelling of 20211101202 in words is "twenty billion, two hundred eleven million, one hundred one thousand, two hundred two".

Divisors: 1 2 3 6 17 34 51 102 198148051 396296102 594444153 1188888306 3368516867 6737033734 10105550601 20211101202