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23415500305 = 529181892189
BaseRepresentation
bin10101110011101011…
…000010111000010001
32020102212101122212001
4111303223002320101
5340423332002210
614431255234001
71456154316511
oct256353027021
966385348761
1023415500305
119a26491a4a
124655978901
132292199a32
1411c1b69841
15920a3603a
hex573ac2e11

23415500305 has 16 divisors (see below), whose sum is σ = 29228144400. Its totient is φ = 17986510080.

The previous prime is 23415500291. The next prime is 23415500371. The reversal of 23415500305 is 50300551432.

It can be written as a sum of positive squares in 8 ways, for example, as 4205263104 + 19210237201 = 64848^2 + 138601^2 .

It is not a de Polignac number, because 23415500305 - 27 = 23415500177 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 419850 + ... + 472339.

It is an arithmetic number, because the mean of its divisors is an integer number (1826759025).

Almost surely, 223415500305 is an apocalyptic number.

It is an amenable number.

23415500305 is a deficient number, since it is larger than the sum of its proper divisors (5812644095).

23415500305 is a wasteful number, since it uses less digits than its factorization.

23415500305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892404.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 23415500305 in words is "twenty-three billion, four hundred fifteen million, five hundred thousand, three hundred five".

Divisors: 1 5 29 145 181 905 5249 26245 892189 4460945 25873481 129367405 161486209 807431045 4683100061 23415500305