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168016712 = 23171235417
BaseRepresentation
bin10100000001110…
…11101101001000
3102201011010121012
422000323231020
5321003013322
624401103052
74110055433
oct1200735510
9381133535
10168016712
1186928496
1248327a88
1328a69696
141845881a
15eb3cae2
hexa03bb48

168016712 has 16 divisors (see below), whose sum is σ = 333562860. Its totient is φ = 79066624.

The previous prime is 168016711. The next prime is 168016733. The reversal of 168016712 is 217610861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 164198596 + 3818116 = 12814^2 + 1954^2 .

It is a super-2 number, since 2×1680167122 = 56459231022581888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168016711) 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, 617573 + ... + 617844.

Almost surely, 2168016712 is an apocalyptic number.

It is an amenable number.

168016712 is a deficient number, since it is larger than the sum of its proper divisors (165546148).

168016712 is a wasteful number, since it uses less digits than its factorization.

168016712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235440 (or 1235436 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 168016712 is about 12962.1260601801. The cubic root of 168016712 is about 551.8031311540.

The spelling of 168016712 in words is "one hundred sixty-eight million, sixteen thousand, seven hundred twelve".

Divisors: 1 2 4 8 17 34 68 136 1235417 2470834 4941668 9883336 21002089 42004178 84008356 168016712