Search a number
-
+
79832023040 = 21857211113
BaseRepresentation
bin100101001011001011…
…1000000000000000000
321122001122000221221002
41022112113000000000
52301443444214130
6100401353151132
75524211666600
oct1122627000000
9248048027832
1079832023040
1130947106550
121357b6bb4a8
1376b33b0573
143c14730c00
15212388cb45
hex12965c0000

79832023040 has 456 divisors, whose sum is σ = 245290818672. Its totient is φ = 24662507520.

The previous prime is 79832023009. The next prime is 79832023087. The reversal of 79832023040 is 4032023897.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 79832022985 and 79832023003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 706478024 + ... + 706478136.

It is an arithmetic number, because the mean of its divisors is an integer number (537918462).

Almost surely, 279832023040 is an apocalyptic number.

79832023040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79832023040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122645409336).

79832023040 is an abundant number, since it is smaller than the sum of its proper divisors (165458795632).

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

79832023040 is an equidigital number, since it uses as much as digits as its factorization.

79832023040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 79832023040 in words is "seventy-nine billion, eight hundred thirty-two million, twenty-three thousand, forty".