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23420404402241 = 7111201253256533
BaseRepresentation
bin1010101001100111111001…
…11000101000100001000001
310001220222011020210011221012
411110303330320220201001
511032204442011332431
6121451104003010305
74635032311522130
oct524637470504101
9101828136704835
1023420404402241
11750a5a0797560
122763046069995
13100b6c484cb62
145ad7a71cb917
152a93424c222b
hex154cfce28841

23420404402241 has 16 divisors (see below), whose sum is σ = 29223777971328. Its totient is φ = 18234470304000.

The previous prime is 23420404402181. The next prime is 23420404402243. The reversal of 23420404402241 is 14220440402432.

It is a cyclic number.

It is not a de Polignac number, because 23420404402241 - 226 = 23420337293377 is a prime.

It is a super-2 number, since 2×234204044022412 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23420404402198 and 23420404402207.

It is not an unprimeable number, because it can be changed into a prime (23420404402243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126535790 + ... + 126720743.

It is an arithmetic number, because the mean of its divisors is an integer number (1826486123208).

Almost surely, 223420404402241 is an apocalyptic number.

It is an amenable number.

23420404402241 is a deficient number, since it is larger than the sum of its proper divisors (5803373569087).

23420404402241 is a wasteful number, since it uses less digits than its factorization.

23420404402241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253257752.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 23420404402241 its reverse (14220440402432), we get a palindrome (37640844804673).

The spelling of 23420404402241 in words is "twenty-three trillion, four hundred twenty billion, four hundred four million, four hundred two thousand, two hundred forty-one".

Divisors: 1 7 11 77 1201 8407 13211 92477 253256533 1772795731 2785821863 19500753041 304161096133 2129127672931 3345772057463 23420404402241