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19168725414 = 2310872939087
BaseRepresentation
bin10001110110100010…
…111000100110100110
31211110220100010220010
4101312202320212212
5303224143203124
612450032151050
71246006322556
oct216642704646
954426303803
1019168725414
118147278133
12386b698486
131a663c4897
14cdbb39166
15772cb7529
hex4768b89a6

19168725414 has 16 divisors (see below), whose sum is σ = 38372732928. Its totient is φ = 6383694792.

The previous prime is 19168725391. The next prime is 19168725559. The reversal of 19168725414 is 41452786191.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463022 + ... + 1476065.

It is an arithmetic number, because the mean of its divisors is an integer number (2398295808).

Almost surely, 219168725414 is an apocalyptic number.

19168725414 is an abundant number, since it is smaller than the sum of its proper divisors (19204007514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19168725414 is a wasteful number, since it uses less digits than its factorization.

19168725414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940179.

The product of its digits is 483840, while the sum is 48.

The spelling of 19168725414 in words is "nineteen billion, one hundred sixty-eight million, seven hundred twenty-five thousand, four hundred fourteen".

Divisors: 1 2 3 6 1087 2174 3261 6522 2939087 5878174 8817261 17634522 3194787569 6389575138 9584362707 19168725414