Search a number
-
+
79379404230 = 2357411632347
BaseRepresentation
bin100100111101101100…
…0011001010111000110
321120220002100112122110
41021323120121113012
52300032111413410
6100244424041450
75510044542330
oct1117330312706
9246802315573
1079379404230
1130734671315
1213474003286
1376406a7899
143bb0590450
1520e8c83720
hex127b6195c6

79379404230 has 192 divisors, whose sum is σ = 225060208128. Its totient is φ = 17542033920.

The previous prime is 79379404207. The next prime is 79379404241. The reversal of 79379404230 is 3240497397.

It is a self number, because there is not a number n which added to its sum of digits gives 79379404230.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 228758917 + ... + 228759263.

It is an arithmetic number, because the mean of its divisors is an integer number (1172188584).

Almost surely, 279379404230 is an apocalyptic number.

79379404230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 79379404230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112530104064).

79379404230 is an abundant number, since it is smaller than the sum of its proper divisors (145680803898).

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

79379404230 is a wasteful number, since it uses less digits than its factorization.

79379404230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 48.

The spelling of 79379404230 in words is "seventy-nine billion, three hundred seventy-nine million, four hundred four thousand, two hundred thirty".