Search a number
-
+
23219501953 = 61541370321
BaseRepresentation
bin10101100111111111…
…010111101110000001
32012221012120220122211
4111213333113232001
5340023143030303
614400014302121
71451254336654
oct254777275601
965835526584
1023219501953
11993589253a
1246001b7941
1322606b3c8b
1411a3b0989b
1590d71c66d
hex567fd7b81

23219501953 has 8 divisors (see below), whose sum is σ = 23604845096. Its totient is φ = 22834310400.

The previous prime is 23219501951. The next prime is 23219501957. The reversal of 23219501953 is 35910591232.

It can be written as a sum of positive squares in 4 ways, for example, as 1300107249 + 21919394704 = 36057^2 + 148052^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23219501953 - 21 = 23219501951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23219501951) 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, 295033 + ... + 365353.

It is an arithmetic number, because the mean of its divisors is an integer number (2950605637).

Almost surely, 223219501953 is an apocalyptic number.

It is an amenable number.

23219501953 is a deficient number, since it is larger than the sum of its proper divisors (385343143).

23219501953 is an equidigital number, since it uses as much as digits as its factorization.

23219501953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75795.

The product of its (nonzero) digits is 72900, while the sum is 40.

The spelling of 23219501953 in words is "twenty-three billion, two hundred nineteen million, five hundred one thousand, nine hundred fifty-three".

Divisors: 1 61 5413 70321 330193 4289581 380647573 23219501953