Search a number
-
+
120131302023301 = 127945915763963
BaseRepresentation
bin11011010100001000111111…
…100101010110000010000101
3120202100102212222200220202111
4123110020333211112002011
5111221212401304221201
61103255320330541021
734206125440026622
oct3324107745260205
9522312788626674
10120131302023301
11353064431a2758
1211582301b97771
135205443c9739a
142194559425349
15dd4d56958b51
hex6d423f956085

120131302023301 has 4 divisors (see below), whose sum is σ = 121077217787392. Its totient is φ = 119185386259212.

The previous prime is 120131302023251. The next prime is 120131302023307. The reversal of 120131302023301 is 103320203131021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120131302023301 - 221 = 120131299926149 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 (120131302023307) 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, 472957881855 + ... + 472957882108.

It is an arithmetic number, because the mean of its divisors is an integer number (30269304446848).

Almost surely, 2120131302023301 is an apocalyptic number.

It is an amenable number.

120131302023301 is a deficient number, since it is larger than the sum of its proper divisors (945915764091).

120131302023301 is an equidigital number, since it uses as much as digits as its factorization.

120131302023301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945915764090.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 120131302023301 its reverse (103320203131021), we get a palindrome (223451505154322).

The spelling of 120131302023301 in words is "one hundred twenty trillion, one hundred thirty-one billion, three hundred two million, twenty-three thousand, three hundred one".

Divisors: 1 127 945915763963 120131302023301