Search a number
-
+
79924962433 = 244132742713
BaseRepresentation
bin100101001101111100…
…1100010010010000001
321122022002220202210211
41022123321202102001
52302141242244213
6100414513154121
75526420654121
oct1123371422201
9248262822724
1079924962433
1130994615268
12135a685b941
1376c97213a4
143c22c04c81
15212baea53d
hex129be62481

79924962433 has 4 divisors (see below), whose sum is σ = 79957707588. Its totient is φ = 79892217280.

The previous prime is 79924962421. The next prime is 79924962461. The reversal of 79924962433 is 33426942997.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43242370704 + 36682591729 = 207948^2 + 191527^2 .

It is a cyclic number.

It is not a de Polignac number, because 79924962433 - 217 = 79924831361 is a prime.

It is a super-2 number, since 2×799249624332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79924962473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16368916 + ... + 16373797.

It is an arithmetic number, because the mean of its divisors is an integer number (19989426897).

Almost surely, 279924962433 is an apocalyptic number.

It is an amenable number.

79924962433 is a deficient number, since it is larger than the sum of its proper divisors (32745155).

79924962433 is a wasteful number, since it uses less digits than its factorization.

79924962433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32745154.

The product of its digits is 17635968, while the sum is 58.

The spelling of 79924962433 in words is "seventy-nine billion, nine hundred twenty-four million, nine hundred sixty-two thousand, four hundred thirty-three".

Divisors: 1 2441 32742713 79924962433