Search a number
-
+
22453012200 = 23352291379419
BaseRepresentation
bin10100111010010011…
…011100011011101000
32010221210022012101110
4110322103130123220
5331440432342300
614151553550320
71423256311653
oct247223343350
963853265343
1022453012200
11958215a433
1244275753a0
13216a964a48
14112ddc489a
158b62b4550
hex53a4dc6e8

22453012200 has 192 divisors, whose sum is σ = 72537768000. Its totient is φ = 5738199040.

The previous prime is 22453012181. The next prime is 22453012201. The reversal of 22453012200 is 221035422.

It is not an unprimeable number, because it can be changed into a prime (22453012201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2379091 + ... + 2388509.

It is an arithmetic number, because the mean of its divisors is an integer number (377800875).

Almost surely, 222453012200 is an apocalyptic number.

22453012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22453012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36268884000).

22453012200 is an abundant number, since it is smaller than the sum of its proper divisors (50084755800).

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

22453012200 is a wasteful number, since it uses less digits than its factorization.

22453012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9604 (or 9595 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 22453012200 its reverse (221035422), we get a palindrome (22674047622).

The spelling of 22453012200 in words is "twenty-two billion, four hundred fifty-three million, twelve thousand, two hundred".