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23040370224661 = 206303111682187
BaseRepresentation
bin1010011110100100000010…
…00101010010111000010101
310000120122020000102200100211
411033102001011102320111
511004443134234142121
6121000333331405421
74565416565356666
oct517220105227025
9100518200380324
1023040370224661
117383403370049
122701465453871
13cb190b7b0b2a
1459923497536d
1529e4ed842ce1
hex14f481152e15

23040370224661 has 4 divisors (see below), whose sum is σ = 23040482113152. Its totient is φ = 23040258336172.

The previous prime is 23040370224653. The next prime is 23040370224701. The reversal of 23040370224661 is 16642207304032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23040370224661 - 23 = 23040370224653 is a prime.

It is a super-2 number, since 2×230403702246612 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23040370225661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 55634791 + ... + 56047396.

It is an arithmetic number, because the mean of its divisors is an integer number (5760120528288).

Almost surely, 223040370224661 is an apocalyptic number.

It is an amenable number.

23040370224661 is a deficient number, since it is larger than the sum of its proper divisors (111888491).

23040370224661 is a wasteful number, since it uses less digits than its factorization.

23040370224661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111888490.

The product of its (nonzero) digits is 290304, while the sum is 40.

Adding to 23040370224661 its reverse (16642207304032), we get a palindrome (39682577528693).

The spelling of 23040370224661 in words is "twenty-three trillion, forty billion, three hundred seventy million, two hundred twenty-four thousand, six hundred sixty-one".

Divisors: 1 206303 111682187 23040370224661