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2001030103121 = 72213111291673
BaseRepresentation
bin11101000111100110101…
…100000100000001010001
321002022000020011111210112
4131013212230010001101
5230241102201244441
64131132135411105
7264366251144120
oct35074654040121
97068006144715
102001030103121
117016a5365585
12283990b23a95
13116908ab144a
146cbc95d5ab7
15370b86584eb
hex1d1e6b04051

2001030103121 has 8 divisors (see below), whose sum is σ = 2286903650304. Its totient is φ = 1715159581920.

The previous prime is 2001030103043. The next prime is 2001030103141. The reversal of 2001030103121 is 1213010301002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2001030103121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001030103096 and 2001030103105.

It is not an unprimeable number, because it can be changed into a prime (2001030103141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903341 + ... + 2195013.

It is an arithmetic number, because the mean of its divisors is an integer number (285862956288).

Almost surely, 22001030103121 is an apocalyptic number.

It is an amenable number.

2001030103121 is a deficient number, since it is larger than the sum of its proper divisors (285873547183).

2001030103121 is a wasteful number, since it uses less digits than its factorization.

2001030103121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512991.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 2001030103121 its reverse (1213010301002), we get a palindrome (3214040404123).

The spelling of 2001030103121 in words is "two trillion, one billion, thirty million, one hundred three thousand, one hundred twenty-one".

Divisors: 1 7 221311 1291673 1549177 9041711 285861443303 2001030103121