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23201231012022 = 237552410262191
BaseRepresentation
bin1010100011001111101010…
…01000100000000010110110
310001011000102200101100122010
411101213311020200002312
511020112110114341042
6121202255352345050
74613143063453230
oct521476510400266
9101130380340563
1023201231012022
117435650062518
1227286793a5186
13cc3b36194a8b
145a2d34919250
152a37b5b6359c
hex1519f52200b6

23201231012022 has 16 divisors (see below), whose sum is σ = 53031385170432. Its totient is φ = 6628923146280.

The previous prime is 23201231012021. The next prime is 23201231012033. The reversal of 23201231012022 is 22021013210232.

It is a super-2 number, since 2×232012310120222 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 23201231012022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23201231012021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276205131054 + ... + 276205131137.

It is an arithmetic number, because the mean of its divisors is an integer number (3314461573152).

Almost surely, 223201231012022 is an apocalyptic number.

23201231012022 is an abundant number, since it is smaller than the sum of its proper divisors (29830154158410).

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

23201231012022 is a wasteful number, since it uses less digits than its factorization.

23201231012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552410262203.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23201231012022 its reverse (22021013210232), we get a palindrome (45222244222254).

The spelling of 23201231012022 in words is "twenty-three trillion, two hundred one billion, two hundred thirty-one million, twelve thousand, twenty-two".

Divisors: 1 2 3 6 7 14 21 42 552410262191 1104820524382 1657230786573 3314461573146 3866871835337 7733743670674 11600615506011 23201231012022