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7869740513 = 231401124421
BaseRepresentation
bin1110101010001001…
…01011010111100001
3202022110022020110212
413111010223113201
5112104123144023
63340523503505
7366006455615
oct72504532741
922273266425
107869740513
113379299588
121637687b95
139855664bb
1454927b345
15310d69e78
hex1d512b5e1

7869740513 has 8 divisors (see below), whose sum is σ = 8212825536. Its totient is φ = 7526732400.

The previous prime is 7869740509. The next prime is 7869740519. The reversal of 7869740513 is 3150479687.

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 7869740513 - 22 = 7869740509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7869740519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310043 + ... + 334463.

It is an arithmetic number, because the mean of its divisors is an integer number (1026603192).

Almost surely, 27869740513 is an apocalyptic number.

It is an amenable number.

7869740513 is a deficient number, since it is larger than the sum of its proper divisors (343085023).

7869740513 is a wasteful number, since it uses less digits than its factorization.

7869740513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38455.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 7869740513 is about 88711.5579448360. The cubic root of 7869740513 is about 1989.0855889130.

The spelling of 7869740513 in words is "seven billion, eight hundred sixty-nine million, seven hundred forty thousand, five hundred thirteen".

Divisors: 1 23 14011 24421 322253 561683 342162631 7869740513