Search a number
-
+
122553020074 = 261276510037
BaseRepresentation
bin111001000100010111…
…0101010111010101010
3102201022221010110122111
41302020232222322222
54001442033120244
6132144452312534
711565656324422
oct1621056527252
9381287113574
10122553020074
1147a79a91971
121b90291274a
13b7310bb734
145d08439482
1532c41a5e34
hex1c88baaeaa

122553020074 has 4 divisors (see below), whose sum is σ = 183829530114. Its totient is φ = 61276510036.

The previous prime is 122553020063. The next prime is 122553020081. The reversal of 122553020074 is 470020355221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 470020355221 = 2254320849947.

It can be written as a sum of positive squares in only one way, i.e., 111379050225 + 11173969849 = 333735^2 + 105707^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30638255017 + ... + 30638255020.

Almost surely, 2122553020074 is an apocalyptic number.

122553020074 is a deficient number, since it is larger than the sum of its proper divisors (61276510040).

122553020074 is an equidigital number, since it uses as much as digits as its factorization.

122553020074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61276510039.

The product of its (nonzero) digits is 16800, while the sum is 31.

Adding to 122553020074 its reverse (470020355221), we get a palindrome (592573375295).

The spelling of 122553020074 in words is "one hundred twenty-two billion, five hundred fifty-three million, twenty thousand, seventy-four".

Divisors: 1 2 61276510037 122553020074