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23065228285 = 511795308453
BaseRepresentation
bin10101011110110010…
…110111001111111101
32012112110021222222021
4111132302313033331
5334214144301120
614332423520141
71444402130341
oct253662671775
965473258867
1023065228285
1198667a1440
1245785b9051
132237749a98
14118b42b621
158eede6aaa
hex55ecb73fd

23065228285 has 16 divisors (see below), whose sum is σ = 30576695040. Its totient is φ = 16562370240.

The previous prime is 23065228273. The next prime is 23065228321. The reversal of 23065228285 is 58282256032.

It is a happy number.

It is not a de Polignac number, because 23065228285 - 211 = 23065226237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2649882 + ... + 2658571.

It is an arithmetic number, because the mean of its divisors is an integer number (1911043440).

Almost surely, 223065228285 is an apocalyptic number.

It is an amenable number.

23065228285 is a deficient number, since it is larger than the sum of its proper divisors (7511466755).

23065228285 is a wasteful number, since it uses less digits than its factorization.

23065228285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308548.

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 23065228285 in words is "twenty-three billion, sixty-five million, two hundred twenty-eight thousand, two hundred eighty-five".

Divisors: 1 5 11 55 79 395 869 4345 5308453 26542265 58392983 291964915 419367787 2096838935 4613045657 23065228285