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23020403522405 = 545179101907539
BaseRepresentation
bin1010011101111110110101…
…11110010111101101100101
310000111201200111120010000212
411032333122332113231211
511004131241300204110
6120543232151545205
74564112026245032
oct516773276275545
9100451614503025
1023020403522405
117375997714123
1226b961268b205
13caca78c94203
1459829cc7a389
1529dc309a2e05
hex14efdaf97b65

23020403522405 has 8 divisors (see below), whose sum is σ = 27625095943200. Its totient is φ = 18415915007056.

The previous prime is 23020403522381. The next prime is 23020403522437. The reversal of 23020403522405 is 50422530402032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23020403522405 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50727875 + ... + 51179664.

It is an arithmetic number, because the mean of its divisors is an integer number (3453136992900).

Almost surely, 223020403522405 is an apocalyptic number.

It is an amenable number.

23020403522405 is a deficient number, since it is larger than the sum of its proper divisors (4604692420795).

23020403522405 is a wasteful number, since it uses less digits than its factorization.

23020403522405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101952723.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 23020403522405 its reverse (50422530402032), we get a palindrome (73442933924437).

The spelling of 23020403522405 in words is "twenty-three trillion, twenty billion, four hundred three million, five hundred twenty-two thousand, four hundred five".

Divisors: 1 5 45179 225895 101907539 509537695 4604080704481 23020403522405