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168187070 = 2516818707
BaseRepresentation
bin10100000011001…
…01010010111110
3102201110210021202
422001211102332
5321023441240
624404455502
74111365212
oct1201452276
9381423252
10168187070
1186a34487
12483aa592
1328ac909c
14184a0942
15eb73315
hexa0654be

168187070 has 8 divisors (see below), whose sum is σ = 302736744. Its totient is φ = 67274824.

The previous prime is 168187067. The next prime is 168187087. The reversal of 168187070 is 70781861.

168187070 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8409344 + ... + 8409363.

It is an arithmetic number, because the mean of its divisors is an integer number (37842093).

Almost surely, 2168187070 is an apocalyptic number.

168187070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168187070 is a deficient number, since it is larger than the sum of its proper divisors (134549674).

168187070 is a wasteful number, since it uses less digits than its factorization.

168187070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16818714.

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 168187070 is about 12968.6957709710. The cubic root of 168187070 is about 551.9895656328.

The spelling of 168187070 in words is "one hundred sixty-eight million, one hundred eighty-seven thousand, seventy".

Divisors: 1 2 5 10 16818707 33637414 84093535 168187070