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164541013 = 7133834721
BaseRepresentation
bin10011100111010…
…11001001010101
3102110121112211121
421303223021111
5314110303023
624154403541
74035401260
oct1163531125
9373545747
10164541013
118497410a
12471305b1
1328120660
1417bd1cd7
15e6a2d5d
hex9ceb255

164541013 has 16 divisors (see below), whose sum is σ = 203083776. Its totient is φ = 129818880.

The previous prime is 164540951. The next prime is 164541023. The reversal of 164541013 is 310145461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-164541013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164541023) 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, 32493 + ... + 37213.

It is an arithmetic number, because the mean of its divisors is an integer number (12692736).

Almost surely, 2164541013 is an apocalyptic number.

164541013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

164541013 is a deficient number, since it is larger than the sum of its proper divisors (38542763).

164541013 is a wasteful number, since it uses less digits than its factorization.

164541013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 164541013 is about 12827.3540919396. The cubic root of 164541013 is about 547.9716061886.

Adding to 164541013 its reverse (310145461), we get a palindrome (474686474).

The spelling of 164541013 in words is "one hundred sixty-four million, five hundred forty-one thousand, thirteen".

Divisors: 1 7 13 91 383 2681 4721 4979 33047 34853 61373 429611 1808143 12657001 23505859 164541013