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669014054311 = 674339921167
BaseRepresentation
bin10011011110001000101…
…10000101010110100111
32100221211201222021010211
421233010112011112213
541430120044214221
61231201341000251
766222535430311
oct11570426052647
92327751867124
10669014054311
112387aaaa1019
12a97ab553087
134b11aa48a35
1424547d6a7b1
1512608b266e1
hex9bc45855a7

669014054311 has 4 divisors (see below), whose sum is σ = 669024042912. Its totient is φ = 669004065712.

The previous prime is 669014054309. The next prime is 669014054327. The reversal of 669014054311 is 113450410966.

669014054311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113450410966 = 256725205483.

It is a cyclic number.

It is not a de Polignac number, because 669014054311 - 21 = 669014054309 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 (669014054381) 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, 4893151 + ... + 5028016.

It is an arithmetic number, because the mean of its divisors is an integer number (167256010728).

Almost surely, 2669014054311 is an apocalyptic number.

669014054311 is a deficient number, since it is larger than the sum of its proper divisors (9988601).

669014054311 is an equidigital number, since it uses as much as digits as its factorization.

669014054311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9988600.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 669014054311 in words is "six hundred sixty-nine billion, fourteen million, fifty-four thousand, three hundred eleven".

Divisors: 1 67433 9921167 669014054311