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187923496191072 = 25319011029740357
BaseRepresentation
bin101010101110101001011001…
…001111000100010001100000
3220122101022101120010210022020
4222232221121033010101200
5144112414310011103242
61503402510133141440
754404011264534335
oct5256513117042140
9818338346123266
10187923496191072
11549729a8498584
12190b09ba78a880
1380b2156b9c205
14345978d75698c
1516ad4c4aa86ec
hexaaea593c4460

187923496191072 has 48 divisors (see below), whose sum is σ = 493558672550832. Its totient is φ = 62608213644800.

The previous prime is 187923496191071. The next prime is 187923496191107. The reversal of 187923496191072 is 270191694329781.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 187923496190988 and 187923496191006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187923496191071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514687683 + ... + 515052674.

It is an arithmetic number, because the mean of its divisors is an integer number (10282472344809).

Almost surely, 2187923496191072 is an apocalyptic number.

187923496191072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

187923496191072 is an abundant number, since it is smaller than the sum of its proper divisors (305635176359760).

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

187923496191072 is a wasteful number, since it uses less digits than its factorization.

187923496191072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029742271 (or 1029742263 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 69.

The spelling of 187923496191072 in words is "one hundred eighty-seven trillion, nine hundred twenty-three billion, four hundred ninety-six million, one hundred ninety-one thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1901 3802 5703 7604 11406 15208 22812 30416 45624 60832 91248 182496 1029740357 2059480714 3089221071 4118961428 6178442142 8237922856 12356884284 16475845712 24713768568 32951691424 49427537136 98855074272 1957536418657 3915072837314 5872609255971 7830145674628 11745218511942 15660291349256 23490437023884 31320582698512 46980874047768 62641165397024 93961748095536 187923496191072