Search a number
-
+
23300112020 = 2251165005601
BaseRepresentation
bin10101101100110010…
…110111111010010100
32020010211021022212212
4111230302313322110
5340204312041040
614412014132552
71453253453513
oct255462677224
966124238785
1023300112020
119977340029
1246231b1158
1322742c8c43
1411b06d067a
15915841d65
hex56ccb7e94

23300112020 has 12 divisors (see below), whose sum is σ = 48930235284. Its totient is φ = 9320044800.

The previous prime is 23300112013. The next prime is 23300112029. The reversal of 23300112020 is 2021100332.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8582540164 + 14717571856 = 92642^2 + 121316^2 .

It is a super-3 number, since 3×233001120203 (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23300111986 and 23300112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23300112029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582502781 + ... + 582502820.

It is an arithmetic number, because the mean of its divisors is an integer number (4077519607).

Almost surely, 223300112020 is an apocalyptic number.

23300112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23300112020 is an abundant number, since it is smaller than the sum of its proper divisors (25630123264).

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

23300112020 is a wasteful number, since it uses less digits than its factorization.

23300112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165005610 (or 1165005608 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 23300112020 its reverse (2021100332), we get a palindrome (25321212352).

The spelling of 23300112020 in words is "twenty-three billion, three hundred million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 1165005601 2330011202 4660022404 5825028005 11650056010 23300112020