Search a number
-
+
21322030120120 = 235839116352573
BaseRepresentation
bin1001101100100011011000…
…00001111111110010111000
32210111100212221101000101201
410312101230001333302320
510243320004202320440
6113203112211423544
74330315532440612
oct466215401776270
983440787330351
1021322030120120
116880693158574
1224844288b4bb4
13bb88745479c2
14539dc5587db2
1526e97cd8919a
hex13646c07fcb8

21322030120120 has 32 divisors (see below), whose sum is σ = 47975147053920. Its totient is φ = 8528709064320.

The previous prime is 21322030120103. The next prime is 21322030120273. The reversal of 21322030120120 is 2102103022312.

It is a congruent number.

It is an unprimeable number.

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, 180154 + ... + 6532726.

It is an arithmetic number, because the mean of its divisors is an integer number (1499223345435).

Almost surely, 221322030120120 is an apocalyptic number.

21322030120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21322030120120 is an abundant number, since it is smaller than the sum of its proper divisors (26653116933800).

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

21322030120120 is a wasteful number, since it uses less digits than its factorization.

21322030120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6436495 (or 6436491 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21322030120120 its reverse (2102103022312), we get a palindrome (23424133142432).

The spelling of 21322030120120 in words is "twenty-one trillion, three hundred twenty-two billion, thirty million, one hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 83911 167822 335644 419555 671288 839110 1678220 3356440 6352573 12705146 25410292 31762865 50820584 63525730 127051460 254102920 533050753003 1066101506006 2132203012012 2665253765015 4264406024024 5330507530030 10661015060060 21322030120120