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320101002030001 = 1556719720562533
BaseRepresentation
bin100100011001000010101001…
…0100001001010101110110001
31112222101100122012112211111211
41020302011102201022232301
5313424013323004430001
63052444211550240121
7124265351143554523
oct11062052241125661
91488340565484454
10320101002030001
1192aa30886a2625
122ba99875ab6041
131097c51999643a
145908d84c2da13
1527018658b2351
hex123215284abb1

320101002030001 has 4 divisors (see below), whose sum is σ = 320101038159732. Its totient is φ = 320100965900272.

The previous prime is 320101002029971. The next prime is 320101002030077. The reversal of 320101002030001 is 100030200101023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 201413573600625 + 118687428429376 = 14192025^2 + 10894376^2 .

It is a cyclic number.

It is not a de Polignac number, because 320101002030001 - 227 = 320100867812273 is a prime.

It is a super-2 number, since 2×3201010020300012 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320101002037001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5285931 + ... + 25848463.

It is an arithmetic number, because the mean of its divisors is an integer number (80025259539933).

Almost surely, 2320101002030001 is an apocalyptic number.

It is an amenable number.

320101002030001 is a deficient number, since it is larger than the sum of its proper divisors (36129731).

320101002030001 is a wasteful number, since it uses less digits than its factorization.

320101002030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36129730.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 320101002030001 its reverse (100030200101023), we get a palindrome (420131202131024).

The spelling of 320101002030001 in words is "three hundred twenty trillion, one hundred one billion, two million, thirty thousand, one".

Divisors: 1 15567197 20562533 320101002030001