Search a number
-
+
2311300223100 = 22325211353661373
BaseRepresentation
bin100001101000100100001…
…110101001000001111100
322011221212111010200121200
4201220210032221001330
5300332020324114400
64525444025055500
7325662113512311
oct41504416510174
98157774120550
102311300223100
118112427a1a40
12313b41927590
13139c54565b0b
147dc206d2d08
15401c7780b00
hex21a243a907c

2311300223100 has 216 divisors, whose sum is σ = 7925646757392. Its totient is φ = 558727065600.

The previous prime is 2311300223087. The next prime is 2311300223107. The reversal of 2311300223100 is 13220031132.

2311300223100 is a `hidden beast` number, since 2 + 31 + 1 + 300 + 22 + 310 + 0 = 666.

It is a super-2 number, since 2×23113002231002 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311300223107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3164014 + ... + 3825386.

It is an arithmetic number, because the mean of its divisors is an integer number (36692809062).

Almost surely, 22311300223100 is an apocalyptic number.

2311300223100 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 2311300223100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3962823378696).

2311300223100 is an abundant number, since it is smaller than the sum of its proper divisors (5614346534292).

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

2311300223100 is a wasteful number, since it uses less digits than its factorization.

2311300223100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661757 (or 661747 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2311300223100 its reverse (13220031132), we get a palindrome (2324520254232).

The spelling of 2311300223100 in words is "two trillion, three hundred eleven billion, three hundred million, two hundred twenty-three thousand, one hundred".