Search a number
-
+
120200012101 = 139246154777
BaseRepresentation
bin110111111110001111…
…0101010000101000101
3102111020221112021112001
41233330132222011011
53432132200341401
6131115155225301
711453445150031
oct1577436520505
9374227467461
10120200012101
1146a81856184
121b3668a8231
13b447777020
145b63b2d1c1
1531d7813601
hex1bfc7aa145

120200012101 has 4 divisors (see below), whose sum is σ = 129446166892. Its totient is φ = 110953857312.

The previous prime is 120200012089. The next prime is 120200012129. The reversal of 120200012101 is 101210002021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7152761476 + 113047250625 = 84574^2 + 336225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120200012101 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 (120200012501) 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, 4623077376 + ... + 4623077401.

It is an arithmetic number, because the mean of its divisors is an integer number (32361541723).

Almost surely, 2120200012101 is an apocalyptic number.

It is an amenable number.

120200012101 is a deficient number, since it is larger than the sum of its proper divisors (9246154791).

120200012101 is an equidigital number, since it uses as much as digits as its factorization.

120200012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9246154790.

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

Adding to 120200012101 its reverse (101210002021), we get a palindrome (221410014122).

The spelling of 120200012101 in words is "one hundred twenty billion, two hundred million, twelve thousand, one hundred one".

Divisors: 1 13 9246154777 120200012101