Search a number
-
+
74270262889 = 88384111283
BaseRepresentation
bin100010100101011011…
…0100100011001101001
321002201000121021022101
41011022312210121221
52204101141403024
654041433253401
75236325550454
oct1051266443151
9232630537271
1074270262889
1129552699859
1212488b64261
137008054724
143847bdc49b
151dea46dc44
hex114ada4669

74270262889 has 4 divisors (see below), whose sum is σ = 74354375056. Its totient is φ = 74186150724.

The previous prime is 74270262883. The next prime is 74270262917. The reversal of 74270262889 is 98826207247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98826207247 = 891110406823.

It is a cyclic number.

It is not a de Polignac number, because 74270262889 - 27 = 74270262761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74270262883) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42054759 + ... + 42056524.

It is an arithmetic number, because the mean of its divisors is an integer number (18588593764).

Almost surely, 274270262889 is an apocalyptic number.

It is an amenable number.

74270262889 is a deficient number, since it is larger than the sum of its proper divisors (84112167).

74270262889 is an equidigital number, since it uses as much as digits as its factorization.

74270262889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84112166.

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 74270262889 in words is "seventy-four billion, two hundred seventy million, two hundred sixty-two thousand, eight hundred eighty-nine".

Divisors: 1 883 84111283 74270262889