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120102002101 = 1719735862049
BaseRepresentation
bin110111111011010100…
…0110001110110110101
3102111000010002212002001
41233312220301312311
53431432103031401
6131101334415301
711451145113424
oct1576650616665
9374003085061
10120102002101
1146a314a3884
121b339b01531
13b43037c243
145b54ad92bb
1531cde03601
hex1bf6a31db5

120102002101 has 8 divisors (see below), whose sum is σ = 127812346200. Its totient is φ = 112463382528.

The previous prime is 120102002099. The next prime is 120102002107. The reversal of 120102002101 is 101200201021.

It can be written as a sum of positive squares in 4 ways, for example, as 101971648900 + 18130353201 = 319330^2 + 134649^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 120102002101 - 21 = 120102002099 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 (120102002107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17927676 + ... + 17934373.

It is an arithmetic number, because the mean of its divisors is an integer number (15976543275).

Almost surely, 2120102002101 is an apocalyptic number.

It is an amenable number.

120102002101 is a deficient number, since it is larger than the sum of its proper divisors (7710344099).

120102002101 is a wasteful number, since it uses less digits than its factorization.

120102002101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35862263.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120102002101 its reverse (101200201021), we get a palindrome (221302203122).

The spelling of 120102002101 in words is "one hundred twenty billion, one hundred two million, two thousand, one hundred one".

Divisors: 1 17 197 3349 35862049 609654833 7064823653 120102002101