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10420554113 is a prime number
BaseRepresentation
bin10011011010001110…
…10000100110000001
3222220020002222220122
421231013100212001
5132320130212423
64442004350025
7516142151144
oct115507204601
928806088818
1010420554113
1144681495a2
1220299a5315
13ca0b77468
1470bd5805b
1540ec818c8
hex26d1d0981

10420554113 has 2 divisors, whose sum is σ = 10420554114. Its totient is φ = 10420554112.

The previous prime is 10420554077. The next prime is 10420554127. The reversal of 10420554113 is 31145502401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7919754049 + 2500800064 = 88993^2 + 50008^2 .

It is a cyclic number.

It is not a de Polignac number, because 10420554113 - 210 = 10420553089 is a prime.

It is a super-2 number, since 2×104205541132 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10420554713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5210277056 + 5210277057.

It is an arithmetic number, because the mean of its divisors is an integer number (5210277057).

Almost surely, 210420554113 is an apocalyptic number.

It is an amenable number.

10420554113 is a deficient number, since it is larger than the sum of its proper divisors (1).

10420554113 is an equidigital number, since it uses as much as digits as its factorization.

10420554113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 10420554113 in words is "ten billion, four hundred twenty million, five hundred fifty-four thousand, one hundred thirteen".