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168645014 = 284322507
BaseRepresentation
bin10100000110101…
…01000110010110
3102202100001110122
422003111012112
5321133120024
624422351542
74115313266
oct1203250626
9382301418
10168645014
118721754a
124858b5b2
1328c29665
141857d7a6
15ec13d5e
hexa0d5196

168645014 has 4 divisors (see below), whose sum is σ = 252967524. Its totient is φ = 84322506.

The previous prime is 168644999. The next prime is 168645031. The reversal of 168645014 is 410546861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 410546861 = 463988499.

It is a super-2 number, since 2×1686450142 = 56882281494120392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42161252 + ... + 42161255.

It is an arithmetic number, because the mean of its divisors is an integer number (63241881).

Almost surely, 2168645014 is an apocalyptic number.

168645014 is a deficient number, since it is larger than the sum of its proper divisors (84322510).

168645014 is an equidigital number, since it uses as much as digits as its factorization.

168645014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84322509.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 168645014 is about 12986.3395150443. The cubic root of 168645014 is about 552.4901019909.

The spelling of 168645014 in words is "one hundred sixty-eight million, six hundred forty-five thousand, fourteen".

Divisors: 1 2 84322507 168645014