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7982960693 = 11936691501
BaseRepresentation
bin1110110111101001…
…00101000000110101
3202121100100102100212
413123310211000311
5112322114220233
63400050315205
7401553021611
oct73364450065
922540312325
107982960693
11342719a584
121669588b05
139a2b584a6
1455a310341
1531ac81a48
hex1dbd25035

7982960693 has 4 divisors (see below), whose sum is σ = 7989653388. Its totient is φ = 7976268000.

The previous prime is 7982960677. The next prime is 7982960717. The reversal of 7982960693 is 3960692897.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4979701489 + 3003259204 = 70567^2 + 54802^2 .

It is a cyclic number.

It is not a de Polignac number, because 7982960693 - 24 = 7982960677 is a prime.

It is a super-2 number, since 2×79829606932 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7982960093) 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 3 ways as a sum of consecutive naturals, for example, 3344558 + ... + 3346943.

It is an arithmetic number, because the mean of its divisors is an integer number (1997413347).

Almost surely, 27982960693 is an apocalyptic number.

It is an amenable number.

7982960693 is a deficient number, since it is larger than the sum of its proper divisors (6692695).

7982960693 is a wasteful number, since it uses less digits than its factorization.

7982960693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692694.

The product of its (nonzero) digits is 8817984, while the sum is 59.

The square root of 7982960693 is about 89347.4157040930. The cubic root of 7982960693 is about 1998.5790484374.

The spelling of 7982960693 in words is "seven billion, nine hundred eighty-two million, nine hundred sixty thousand, six hundred ninety-three".

Divisors: 1 1193 6691501 7982960693