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168132653 = 13196111159
BaseRepresentation
bin10100000010110…
…00000000101101
3102201101000122022
422001120000231
5321020221103
624403355525
74111050443
oct1201300055
9381330568
10168132653
11869a7607
1248382ba5
1328aaa3a0
1418488b93
15eb62138
hexa05802d

168132653 has 16 divisors (see below), whose sum is σ = 193737600. Its totient is φ = 144607680.

The previous prime is 168132641. The next prime is 168132667. The reversal of 168132653 is 356231861.

It is a cyclic number.

It is not a de Polignac number, because 168132653 - 212 = 168128557 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 (168132673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9488 + ... + 20646.

It is an arithmetic number, because the mean of its divisors is an integer number (12108600).

Almost surely, 2168132653 is an apocalyptic number.

168132653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

168132653 is a deficient number, since it is larger than the sum of its proper divisors (25604947).

168132653 is a wasteful number, since it uses less digits than its factorization.

168132653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11252.

The product of its digits is 25920, while the sum is 35.

The square root of 168132653 is about 12966.5975876480. The cubic root of 168132653 is about 551.9300270560.

The spelling of 168132653 in words is "one hundred sixty-eight million, one hundred thirty-two thousand, six hundred fifty-three".

Divisors: 1 13 19 61 247 793 1159 11159 15067 145067 212021 680699 2756273 8849087 12933281 168132653