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23144103260 = 2251398325217
BaseRepresentation
bin10101100011011111…
…101111110101011100
32012201221201021002122
4111203133233311130
5334344342301020
614344322242112
71446350426465
oct254337576534
965657637078
1023144103260
1198a7274373
12459aab6338
13224aba5075
141197abdd6c
15906cc7125
hex5637efd5c

23144103260 has 24 divisors (see below), whose sum is σ = 48952281840. Its totient is φ = 9191038464.

The previous prime is 23144103251. The next prime is 23144103289. The reversal of 23144103260 is 6230144132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4159829 + ... + 4165388.

It is an arithmetic number, because the mean of its divisors is an integer number (2039678410).

Almost surely, 223144103260 is an apocalyptic number.

23144103260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23144103260 is an abundant number, since it is smaller than the sum of its proper divisors (25808178580).

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

23144103260 is a wasteful number, since it uses less digits than its factorization.

23144103260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8325365 (or 8325363 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23144103260 its reverse (6230144132), we get a palindrome (29374247392).

The spelling of 23144103260 in words is "twenty-three billion, one hundred forty-four million, one hundred three thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 8325217 16650434 33300868 41626085 83252170 166504340 1157205163 2314410326 4628820652 5786025815 11572051630 23144103260