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101420202001 = 531913588717
BaseRepresentation
bin101111001110100011…
…1010111100000010001
3100200210011000002010211
41132131013113200101
53130202032431001
6114331454524121
710220200331056
oct1363507274021
9320704002124
10101420202001
113a015072968
12177a5506641
139743b12561
144ca191102d
152988c70351
hex179d1d7811

101420202001 has 4 divisors (see below), whose sum is σ = 103333790772. Its totient is φ = 99506613232.

The previous prime is 101420201941. The next prime is 101420202019. The reversal of 101420202001 is 100202024101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100202024101 = 864771158713.

It can be written as a sum of positive squares in 2 ways, for example, as 32040642001 + 69379560000 = 178999^2 + 263400^2 .

It is a cyclic number.

It is not a de Polignac number, because 101420202001 - 27 = 101420201873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101420202031) 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, 956794306 + ... + 956794411.

It is an arithmetic number, because the mean of its divisors is an integer number (25833447693).

Almost surely, 2101420202001 is an apocalyptic number.

It is an amenable number.

101420202001 is a deficient number, since it is larger than the sum of its proper divisors (1913588771).

101420202001 is an equidigital number, since it uses as much as digits as its factorization.

101420202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913588770.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 101420202001 its reverse (100202024101), we get a palindrome (201622226102).

The spelling of 101420202001 in words is "one hundred one billion, four hundred twenty million, two hundred two thousand, one".

Divisors: 1 53 1913588717 101420202001