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7028802713 = 16742088639
BaseRepresentation
bin1101000101111001…
…10000010010011001
3200010211221011200102
412202330300102121
5103343333141323
63121243345145
7336115560122
oct64274602231
920124834612
107028802713
112a87637569
121441b221b5
1388027bc7a
144a96d7049
152b2108328
hex1a2f30499

7028802713 has 4 divisors (see below), whose sum is σ = 7070891520. Its totient is φ = 6986713908.

The previous prime is 7028802667. The next prime is 7028802721. The reversal of 7028802713 is 3172088207.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3172088207 = 28191125253.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7028802713 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7028802743) 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, 21044153 + ... + 21044486.

It is an arithmetic number, because the mean of its divisors is an integer number (1767722880).

Almost surely, 27028802713 is an apocalyptic number.

It is an amenable number.

7028802713 is a deficient number, since it is larger than the sum of its proper divisors (42088807).

7028802713 is a wasteful number, since it uses less digits than its factorization.

7028802713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42088806.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 7028802713 is about 83837.9550859872. The cubic root of 7028802713 is about 1915.5512880376.

The spelling of 7028802713 in words is "seven billion, twenty-eight million, eight hundred two thousand, seven hundred thirteen".

Divisors: 1 167 42088639 7028802713