Search a number
-
+
23054021512345 = 519327786246129
BaseRepresentation
bin1010011110111101011101…
…10000110100110010011001
310000121221110101201221120101
411033132232300310302121
511010204114001343340
6121010512110055401
74566412100403355
oct517365660646231
9100557411657511
1023054021512345
11738917914358a
1227040351aa561
13cb2ca5a97955
14599b6b9d8465
1529ea4c043c9a
hex14f7aec34c99

23054021512345 has 16 divisors (see below), whose sum is σ = 27908557698960. Its totient is φ = 18281419259904.

The previous prime is 23054021512309. The next prime is 23054021512369. The reversal of 23054021512345 is 54321512045032.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2942778995209 + 20111242517136 = 1715453^2 + 4484556^2 .

It is a cyclic number.

It is not a de Polignac number, because 23054021512345 - 211 = 23054021510297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42855760 + ... + 43390369.

It is an arithmetic number, because the mean of its divisors is an integer number (1744284856185).

Almost surely, 223054021512345 is an apocalyptic number.

It is an amenable number.

23054021512345 is a deficient number, since it is larger than the sum of its proper divisors (4854536186615).

23054021512345 is a wasteful number, since it uses less digits than its factorization.

23054021512345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86246604.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 23054021512345 its reverse (54321512045032), we get a palindrome (77375533557377).

The spelling of 23054021512345 in words is "twenty-three trillion, fifty-four billion, twenty-one million, five hundred twelve thousand, three hundred forty-five".

Divisors: 1 5 193 277 965 1385 53461 267305 86246129 431230645 16645502897 23890177733 83227514485 119450888665 4610804302469 23054021512345