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6981799245 = 35465453283
BaseRepresentation
bin1101000000010010…
…11100110101001101
3200000120111011001020
412200021130311031
5103244320033440
63112444104353
7335005212561
oct64011346515
920016434036
106981799245
112a63053123
12142a2350b9
13873602775
144a337d6a1
152ace213d0
hex1a025cd4d

6981799245 has 8 divisors (see below), whose sum is σ = 11170878816. Its totient is φ = 3723626256.

The previous prime is 6981799243. The next prime is 6981799259. The reversal of 6981799245 is 5429971896.

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

It is not a de Polignac number, because 6981799245 - 21 = 6981799243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6981799243) 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, 232726627 + ... + 232726656.

It is an arithmetic number, because the mean of its divisors is an integer number (1396359852).

Almost surely, 26981799245 is an apocalyptic number.

It is an amenable number.

6981799245 is a deficient number, since it is larger than the sum of its proper divisors (4189079571).

6981799245 is a wasteful number, since it uses less digits than its factorization.

6981799245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465453291.

The product of its digits is 9797760, while the sum is 60.

The square root of 6981799245 is about 83557.1615422640. The cubic root of 6981799245 is about 1911.2718012839.

The spelling of 6981799245 in words is "six billion, nine hundred eighty-one million, seven hundred ninety-nine thousand, two hundred forty-five".

Divisors: 1 3 5 15 465453283 1396359849 2327266415 6981799245