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120130221001031 = 884227913585889
BaseRepresentation
bin11011010100000111111111…
…001001100100100101000111
3120202100100002122120021222122
4123110013333021210211013
5111221203143034013111
61103255021152520155
734206056602344323
oct3324077711444507
9522310078507878
10120130221001031
1135305a38a6a71a
121158205bb5005b
13520530102c737
142194495a26983
15dd4ce1ac0cdb
hex6d41ff264947

120130221001031 has 4 divisors (see below), whose sum is σ = 120130243429200. Its totient is φ = 120130198572864.

The previous prime is 120130221001027. The next prime is 120130221001033. The reversal of 120130221001031 is 130100122031021.

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

It is a cyclic number.

It is not a de Polignac number, because 120130221001031 - 22 = 120130221001027 is a prime.

It is a super-2 number, since 2×1201302210010312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120130221001033) 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, 2049335 + ... + 15635223.

It is an arithmetic number, because the mean of its divisors is an integer number (30032560857300).

Almost surely, 2120130221001031 is an apocalyptic number.

120130221001031 is a deficient number, since it is larger than the sum of its proper divisors (22428169).

120130221001031 is an equidigital number, since it uses as much as digits as its factorization.

120130221001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22428168.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 120130221001031 its reverse (130100122031021), we get a palindrome (250230343032052).

The spelling of 120130221001031 in words is "one hundred twenty trillion, one hundred thirty billion, two hundred twenty-one million, one thousand, thirty-one".

Divisors: 1 8842279 13585889 120130221001031