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23026127390 = 257328944677
BaseRepresentation
bin10101011100011101…
…101101001000011110
32012102201201110121222
4111130131231020132
5334124142034030
614324505453342
71443415565510
oct253435551036
965381643558
1023026127390
119846715352
1245674a1252
13222c609566
14118616dbb0
158eb7713e5
hex55c76d21e

23026127390 has 16 divisors (see below), whose sum is σ = 47368033632. Its totient is φ = 7894672224.

The previous prime is 23026127389. The next prime is 23026127401. The reversal of 23026127390 is 9372162032.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 23026127390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164472269 + ... + 164472408.

It is an arithmetic number, because the mean of its divisors is an integer number (2960502102).

Almost surely, 223026127390 is an apocalyptic number.

23026127390 is an abundant number, since it is smaller than the sum of its proper divisors (24341906242).

23026127390 is a wasteful number, since it uses less digits than its factorization.

23026127390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328944691.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 23026127390 in words is "twenty-three billion, twenty-six million, one hundred twenty-seven thousand, three hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 328944677 657889354 1644723385 2302612739 3289446770 4605225478 11513063695 23026127390