Search a number
-
+
79297008120 = 233251183241259
BaseRepresentation
bin100100111011001111…
…0000101000111111000
321120200100022101102200
41021312132011013320
52244400013224440
6100232322030200
75505024306411
oct1116636050770
9246610271380
1079297008120
11306a2103960
12134504a8360
1376295b89a5
143ba3662808
1520e1909c30
hex12767851f8

79297008120 has 192 divisors, whose sum is σ = 284532393600. Its totient is φ = 18991829760.

The previous prime is 79297008101. The next prime is 79297008127. The reversal of 79297008120 is 2180079297.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79297008127) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 208051 + ... + 449309.

It is an arithmetic number, because the mean of its divisors is an integer number (1481939550).

Almost surely, 279297008120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79297008120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142266196800).

79297008120 is an abundant number, since it is smaller than the sum of its proper divisors (205235385480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79297008120 is a wasteful number, since it uses less digits than its factorization.

79297008120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241370 (or 241363 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 79297008120 in words is "seventy-nine billion, two hundred ninety-seven million, eight thousand, one hundred twenty".