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229188970111 = 1871122495441
BaseRepresentation
bin1101010101110010111…
…0100010011001111111
3210220120120111000000111
43111130232202121333
512223334334020421
6253142111010451
722362342050143
oct3253456423177
9726516430014
10229188970111
11892202204a2
1238502b09a27
13187c666bb1a
14b14292d223
155e65c97ee1
hex355cba267f

229188970111 has 4 divisors (see below), whose sum is σ = 229311467424. Its totient is φ = 229066472800.

The previous prime is 229188970103. The next prime is 229188970141. The reversal of 229188970111 is 111079881922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111079881922 = 255539940961.

It is a cyclic number.

It is not a de Polignac number, because 229188970111 - 23 = 229188970103 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229188970141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61245850 + ... + 61249591.

It is an arithmetic number, because the mean of its divisors is an integer number (57327866856).

Almost surely, 2229188970111 is an apocalyptic number.

229188970111 is a deficient number, since it is larger than the sum of its proper divisors (122497313).

229188970111 is a wasteful number, since it uses less digits than its factorization.

229188970111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122497312.

The product of its (nonzero) digits is 145152, while the sum is 49.

The spelling of 229188970111 in words is "two hundred twenty-nine billion, one hundred eighty-eight million, nine hundred seventy thousand, one hundred eleven".

Divisors: 1 1871 122495441 229188970111