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102923254240 = 255643270339
BaseRepresentation
bin101111111011010110…
…1000011100111100000
3100211122220021001012021
41133312231003213200
53141241323113430
6115140550311224
710302351140422
oct1376655034740
9324586231167
10102923254240
113a7165482a4
1217b44958514
139923332b91
144da53aa812
152a25bbe07a
hex17f6b439e0

102923254240 has 24 divisors (see below), whose sum is σ = 243156188520. Its totient is φ = 41169301632.

The previous prime is 102923254219. The next prime is 102923254249. The reversal of 102923254240 is 42452329201.

102923254240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 102923254196 and 102923254205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102923254249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321635010 + ... + 321635329.

It is an arithmetic number, because the mean of its divisors is an integer number (10131507855).

Almost surely, 2102923254240 is an apocalyptic number.

102923254240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102923254240 is an abundant number, since it is smaller than the sum of its proper divisors (140232934280).

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

102923254240 is an equidigital number, since it uses as much as digits as its factorization.

102923254240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643270354 (or 643270346 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 102923254240 in words is "one hundred two billion, nine hundred twenty-three million, two hundred fifty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 643270339 1286540678 2573081356 3216351695 5146162712 6432703390 10292325424 12865406780 20584650848 25730813560 51461627120 102923254240