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79474000000 = 275679503
BaseRepresentation
bin100101000000100000…
…1010000000010000000
321121010200100111122111
41022001001100002000
52300230321000000
6100302043345104
75512303565623
oct1120101200200
9247120314574
1079474000000
113078300153a
121349b822194
137657178605
143bbcd75dba
15210221bcba
hex1281050080

79474000000 has 224 divisors, whose sum is σ = 200809929600. Its totient is φ = 31324800000.

The previous prime is 79473999977. The next prime is 79474000003. The reversal of 79474000000 is 47497.

It is a super-2 number, since 2×794740000002 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (79474000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 157999749 + ... + 158000251.

It is an arithmetic number, because the mean of its divisors is an integer number (896472900).

Almost surely, 279474000000 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 79474000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100404964800).

79474000000 is an abundant number, since it is smaller than the sum of its proper divisors (121335929600).

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

79474000000 is an frugal number, since it uses more digits than its factorization.

79474000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

Adding to 79474000000 its reverse (47497), we get a palindrome (79474047497).

The spelling of 79474000000 in words is "seventy-nine billion, four hundred seventy-four million", and thus it is an aban number.