Search a number
-
+
122704205553 = 3213633800617
BaseRepresentation
bin111001001000110111…
…1011001011011110001
3102201201110121111010200
41302101233121123301
54002244234034203
6132211452545413
711602503352416
oct1622157313361
9381643544120
10122704205553
1148047363846
121b945482269
13b7565140b7
145d2055210d
1532d25bb9a3
hex1c91bd96f1

122704205553 has 6 divisors (see below), whose sum is σ = 177239408034. Its totient is φ = 81802803696.

The previous prime is 122704205513. The next prime is 122704205567. The reversal of 122704205553 is 355502407221.

122704205553 is a `hidden beast` number, since 1 + 227 + 0 + 420 + 5 + 5 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 97898900544 + 24805305009 = 312888^2 + 157497^2 .

It is not a de Polignac number, because 122704205553 - 210 = 122704204529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122704205513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6816900300 + ... + 6816900317.

It is an arithmetic number, because the mean of its divisors is an integer number (29539901339).

Almost surely, 2122704205553 is an apocalyptic number.

It is an amenable number.

122704205553 is a deficient number, since it is larger than the sum of its proper divisors (54535202481).

122704205553 is a wasteful number, since it uses less digits than its factorization.

122704205553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13633800623 (or 13633800620 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 122704205553 in words is "one hundred twenty-two billion, seven hundred four million, two hundred five thousand, five hundred fifty-three".

Divisors: 1 3 9 13633800617 40901401851 122704205553