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6814070818657 = 83133816135359
BaseRepresentation
bin110001100101000011001…
…0001010100011101100001
3220010102022022101221101121
41203022012101110131201
51343120204112144112
622254201345532241
71302205012205134
oct143120621243541
926112268357347
106814070818657
1121979163754a3
12920742644081
133a57444b266b
14197b34bc421b
15bc3b26eb407
hex63286454761

6814070818657 has 8 divisors (see below), whose sum is σ = 6896684551680. Its totient is φ = 6731469383280.

The previous prime is 6814070818637. The next prime is 6814070818691. The reversal of 6814070818657 is 7568180704186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6814070818657 is a prime.

It is a super-2 number, since 2×68140708186572 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6814070818595 and 6814070818604.

It is not an unprimeable number, because it can be changed into a prime (6814070818637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957057 + ... + 4178302.

It is an arithmetic number, because the mean of its divisors is an integer number (862085568960).

Almost surely, 26814070818657 is an apocalyptic number.

It is an amenable number.

6814070818657 is a deficient number, since it is larger than the sum of its proper divisors (82613733023).

6814070818657 is a wasteful number, since it uses less digits than its factorization.

6814070818657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148823.

The product of its (nonzero) digits is 18063360, while the sum is 61.

The spelling of 6814070818657 in words is "six trillion, eight hundred fourteen billion, seventy million, eight hundred eighteen thousand, six hundred fifty-seven".

Divisors: 1 83 13381 1110623 6135359 509234797 82097238779 6814070818657