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916668510001 = 4943185447807
BaseRepresentation
bin11010101011011011011…
…00110110111100110001
310020122002012112010100121
431111231230312330301
5110004314114310001
61541040043250241
7123140620526416
oct15255554667461
93218065463317
10916668510001
113238365270a2
121297a6519981
1368597ba748a
143251d05610d
1518ca0a746a1
hexd56db36f31

916668510001 has 4 divisors (see below), whose sum is σ = 916853962752. Its totient is φ = 916483057252.

The previous prime is 916668509989. The next prime is 916668510029. The reversal of 916668510001 is 100015866619.

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.

It is a cyclic number.

It is not a de Polignac number, because 916668510001 - 225 = 916634955569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 916668510001.

It is not an unprimeable number, because it can be changed into a prime (916668514001) 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, 92718961 + ... + 92728846.

It is an arithmetic number, because the mean of its divisors is an integer number (229213490688).

Almost surely, 2916668510001 is an apocalyptic number.

It is an amenable number.

916668510001 is a deficient number, since it is larger than the sum of its proper divisors (185452751).

916668510001 is a wasteful number, since it uses less digits than its factorization.

916668510001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185452750.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 916668510001 in words is "nine hundred sixteen billion, six hundred sixty-eight million, five hundred ten thousand, one".

Divisors: 1 4943 185447807 916668510001