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7684722413 = 45171701289
BaseRepresentation
bin1110010100000101…
…11000111011101101
3201211120011100100122
413022002320323231
5111214242104123
63310314134325
7361302030344
oct71202707355
921746140318
107684722413
113293909765
1215a57213a5
13956126534
1452c878b5b
152ee9bebc8
hex1ca0b8eed

7684722413 has 4 divisors (see below), whose sum is σ = 7686428220. Its totient is φ = 7683016608.

The previous prime is 7684722407. The next prime is 7684722421. The reversal of 7684722413 is 3142274867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3142274867 = 5475744561.

It can be written as a sum of positive squares in 2 ways, for example, as 41242084 + 7643480329 = 6422^2 + 87427^2 .

It is a cyclic number.

It is not a de Polignac number, because 7684722413 - 216 = 7684656877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7684722433) 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, 846128 + ... + 855161.

It is an arithmetic number, because the mean of its divisors is an integer number (1921607055).

Almost surely, 27684722413 is an apocalyptic number.

It is an amenable number.

7684722413 is a deficient number, since it is larger than the sum of its proper divisors (1705807).

7684722413 is a wasteful number, since it uses less digits than its factorization.

7684722413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705806.

The product of its digits is 451584, while the sum is 44.

The square root of 7684722413 is about 87662.5485198782. The cubic root of 7684722413 is about 1973.3739679938.

The spelling of 7684722413 in words is "seven billion, six hundred eighty-four million, seven hundred twenty-two thousand, four hundred thirteen".

Divisors: 1 4517 1701289 7684722413