Search a number
-
+
79149240929 = 1123358752609
BaseRepresentation
bin100100110110110101…
…0011001001001100001
321120022001021000221202
41021231222121021201
52244044201202204
6100205522530545
75501251306313
oct1115552311141
9246261230852
1079149240929
1130626757210
121340ab06a55
137604abc195
143b8bb997b3
1520d396be1e
hex126da99261

79149240929 has 16 divisors (see below), whose sum is σ = 86864581440. Its totient is φ = 71521628160.

The previous prime is 79149240893. The next prime is 79149240971. The reversal of 79149240929 is 92904294197.

It is a cyclic number.

It is not a de Polignac number, because 79149240929 - 216 = 79149175393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79149240529) 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 15 ways as a sum of consecutive naturals, for example, 1478177 + ... + 1530785.

It is an arithmetic number, because the mean of its divisors is an integer number (5429036340).

Almost surely, 279149240929 is an apocalyptic number.

It is an amenable number.

79149240929 is a deficient number, since it is larger than the sum of its proper divisors (7715340511).

79149240929 is a wasteful number, since it uses less digits than its factorization.

79149240929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53440.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 79149240929 in words is "seventy-nine billion, one hundred forty-nine million, two hundred forty thousand, nine hundred twenty-nine".

Divisors: 1 11 233 587 2563 6457 52609 136771 578699 1504481 12257897 30881483 134836867 339696313 7195385539 79149240929