Search a number
-
+
55212675075 = 3252719341293
BaseRepresentation
bin110011011010111011…
…101001000000000011
312021111212101111112200
4303122323221000003
51401033421100300
641210411124243
73663135665115
oct633273510003
9167455344480
1055212675075
112146312aa88
12a84a743683
13528b9a2c4c
14295ab533b5
15168230b200
hexcdaee9003

55212675075 has 36 divisors (see below), whose sum is σ = 99029867040. Its totient is φ = 29405718720.

The previous prime is 55212675053. The next prime is 55212675083. The reversal of 55212675075 is 57057621255.

55212675075 is a `hidden beast` number, since 5 + 521 + 2 + 6 + 7 + 50 + 75 = 666.

It is not a de Polignac number, because 55212675075 - 25 = 55212675043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 55212675075.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8872 + ... + 332421.

It is an arithmetic number, because the mean of its divisors is an integer number (2750829640).

Almost surely, 255212675075 is an apocalyptic number.

55212675075 is a deficient number, since it is larger than the sum of its proper divisors (43817191965).

55212675075 is a wasteful number, since it uses less digits than its factorization.

55212675075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342028 (or 342020 counting only the distinct ones).

The product of its (nonzero) digits is 735000, while the sum is 45.

The spelling of 55212675075 in words is "fifty-five billion, two hundred twelve million, six hundred seventy-five thousand, seventy-five".

Divisors: 1 3 5 9 15 25 45 75 225 719 2157 3595 6471 10785 17975 32355 53925 161775 341293 1023879 1706465 3071637 5119395 8532325 15358185 25596975 76790925 245389667 736169001 1226948335 2208507003 3680845005 6134741675 11042535015 18404225025 55212675075