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10420342501 = 19548439079
BaseRepresentation
bin10011011010001100…
…11100111011100101
3222220012201020122011
421231012130323211
5132320101430001
64442000034221
7516140310202
oct115506347345
928805636564
1010420342501
114468014608
122029902971
13ca0b0204a
1470bd00ca9
1540ec3dd51
hex26d19cee5

10420342501 has 4 divisors (see below), whose sum is σ = 10968781600. Its totient is φ = 9871903404.

The previous prime is 10420342483. The next prime is 10420342519. The reversal of 10420342501 is 10524302401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10524302401 = 25740950593.

It is an interprime number because it is at equal distance from previous prime (10420342483) and next prime (10420342519).

It is a cyclic number.

It is not a de Polignac number, because 10420342501 - 215 = 10420309733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10420342571) 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, 274219521 + ... + 274219558.

It is an arithmetic number, because the mean of its divisors is an integer number (2742195400).

Almost surely, 210420342501 is an apocalyptic number.

It is an amenable number.

10420342501 is a deficient number, since it is larger than the sum of its proper divisors (548439099).

10420342501 is an equidigital number, since it uses as much as digits as its factorization.

10420342501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548439098.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 10420342501 its reverse (10524302401), we get a palindrome (20944644902).

The spelling of 10420342501 in words is "ten billion, four hundred twenty million, three hundred forty-two thousand, five hundred one".

Divisors: 1 19 548439079 10420342501