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6974980399 = 7445393683
BaseRepresentation
bin1100111111011110…
…11100000100101111
3200000002122201100101
412133233130010233
5103241043333044
63112042011531
7334563232552
oct63757340457
920002581311
106974980399
112a5a216012
121427aa6ba7
13872085b4a
144a24c6699
152ac525cd4
hex19fbdc12f

6974980399 has 4 divisors (see below), whose sum is σ = 6975148536. Its totient is φ = 6974812264.

The previous prime is 6974980387. The next prime is 6974980403. The reversal of 6974980399 is 9930894796.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6974980399 - 29 = 6974979887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6974980399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6974980349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27612 + ... + 121294.

It is an arithmetic number, because the mean of its divisors is an integer number (1743787134).

Almost surely, 26974980399 is an apocalyptic number.

6974980399 is a deficient number, since it is larger than the sum of its proper divisors (168137).

6974980399 is an equidigital number, since it uses as much as digits as its factorization.

6974980399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168136.

The product of its (nonzero) digits is 26453952, while the sum is 64.

The square root of 6974980399 is about 83516.3480942504. The cubic root of 6974980399 is about 1910.6493775240.

The spelling of 6974980399 in words is "six billion, nine hundred seventy-four million, nine hundred eighty thousand, three hundred ninety-nine".

Divisors: 1 74453 93683 6974980399