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21022200140231 = 173130792972921
BaseRepresentation
bin1001100011110100111001…
…10001011001000111000111
32202102200222021100220101202
410301322130301121013013
510223411431213441411
6112413244310413115
74266542500606553
oct461723461310707
982380867326352
1021022200140231
116775512a27964
1224362b036119b
13b96500a07614
145296a0c62863
15266c805b183b
hex131e9cc591c7

21022200140231 has 8 divisors (see below), whose sum is σ = 21159893263824. Its totient is φ = 20884692965440.

The previous prime is 21022200140203. The next prime is 21022200140257. The reversal of 21022200140231 is 13204100222012.

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

It is a cyclic number.

It is not a de Polignac number, because 21022200140231 - 26 = 21022200140167 is a prime.

It is a super-2 number, since 2×210222001402312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022200140281) 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 7 ways as a sum of consecutive naturals, for example, 46260350 + ... + 46712571.

It is an arithmetic number, because the mean of its divisors is an integer number (2644986657978).

Almost surely, 221022200140231 is an apocalyptic number.

21022200140231 is a deficient number, since it is larger than the sum of its proper divisors (137693123593).

21022200140231 is a wasteful number, since it uses less digits than its factorization.

21022200140231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92974401.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21022200140231 its reverse (13204100222012), we get a palindrome (34226300362243).

The spelling of 21022200140231 in words is "twenty-one trillion, twenty-two billion, two hundred million, one hundred forty thousand, two hundred thirty-one".

Divisors: 1 173 1307 226111 92972921 16084315333 121515607747 21022200140231