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20222013199991 = 231879467918023
BaseRepresentation
bin1001001100100010011011…
…11010011101011001110111
32122121012112212110121121112
410212101031322131121313
510122304140334344431
6111001510431305235
74154664224052341
oct446211572353167
978535485417545
1020222013199991
1164971202a01a9
1223271b337b21b
13b38c0a0c7125
144dca71b58291
1525104ab94c2b
hex12644de9d677

20222013199991 has 8 divisors (see below), whose sum is σ = 21112461242880. Its totient is φ = 19332500996952.

The previous prime is 20222013199963. The next prime is 20222013200017. The reversal of 20222013199991 is 19999131022202.

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 20222013199991 - 210 = 20222013198967 is a prime.

It is a super-2 number, since 2×202220131999912 (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 (20222013195991) 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, 233915795 + ... + 234002228.

It is an arithmetic number, because the mean of its divisors is an integer number (2639057655360).

Almost surely, 220222013199991 is an apocalyptic number.

20222013199991 is a deficient number, since it is larger than the sum of its proper divisors (890448042889).

20222013199991 is a wasteful number, since it uses less digits than its factorization.

20222013199991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467919925.

The product of its (nonzero) digits is 314928, while the sum is 50.

The spelling of 20222013199991 in words is "twenty trillion, two hundred twenty-two billion, thirteen million, one hundred ninety-nine thousand, nine hundred ninety-one".

Divisors: 1 23 1879 43217 467918023 10762114529 879217965217 20222013199991