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9497979975979 = 111031837490519
BaseRepresentation
bin1000101000110110101110…
…1110001111100100101011
31020121222221112222200120101
42022031223232033210223
52221103330333212404
632111151201410231
72000130540504025
oct212155356174453
936558845880511
109497979975979
1130320860a2690
121094932339977
1353b86a672081
1424b9c191b015
151170e6ce42a4
hex8a36bb8f92b

9497979975979 has 8 divisors (see below), whose sum is σ = 10371482599680. Its totient is φ = 8626152335400.

The previous prime is 9497979975959. The next prime is 9497979975997. The reversal of 9497979975979 is 9795799797949.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9497979975979 - 27 = 9497979975851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9497979975959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418733919 + ... + 418756600.

It is an arithmetic number, because the mean of its divisors is an integer number (1296435324960).

Almost surely, 29497979975979 is an apocalyptic number.

9497979975979 is a deficient number, since it is larger than the sum of its proper divisors (873502623701).

9497979975979 is a wasteful number, since it uses less digits than its factorization.

9497979975979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837491561.

The product of its digits is 229678171380, while the sum is 100.

The spelling of 9497979975979 in words is "nine trillion, four hundred ninety-seven billion, nine hundred seventy-nine million, nine hundred seventy-five thousand, nine hundred seventy-nine".

Divisors: 1 11 1031 11341 837490519 9212395709 863452725089 9497979975979