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21023130113022 = 235309659983993
BaseRepresentation
bin1001100011110110101000…
…01100111101001111111110
32202102210101002021102020110
410301323110030331033332
510223420332302104042
6112413520451130450
74266604522341522
oct461732414751776
982383332242213
1021023130113022
11677594a971214
12243650b8a3a26
13b9661b59678b
1452974c581d82
15266cd705e09c
hex131ed433d3fe

21023130113022 has 16 divisors (see below), whose sum is σ = 42054180097680. Its totient is φ = 7006390059072.

The previous prime is 21023130113021. The next prime is 21023130113033. The reversal of 21023130113022 is 22031103132012.

It is a self number, because there is not a number n which added to its sum of digits gives 21023130113022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023130113021) 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, 329960143 + ... + 330023850.

It is an arithmetic number, because the mean of its divisors is an integer number (2628386256105).

Almost surely, 221023130113022 is an apocalyptic number.

21023130113022 is an abundant number, since it is smaller than the sum of its proper divisors (21031049984658).

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

21023130113022 is a wasteful number, since it uses less digits than its factorization.

21023130113022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659989307.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21023130113022 its reverse (22031103132012), we get a palindrome (43054233245034).

The spelling of 21023130113022 in words is "twenty-one trillion, twenty-three billion, one hundred thirty million, one hundred thirteen thousand, twenty-two".

Divisors: 1 2 3 6 5309 10618 15927 31854 659983993 1319967986 1979951979 3959903958 3503855018837 7007710037674 10511565056511 21023130113022