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130321121101 = 731785220837
BaseRepresentation
bin111100101011110111…
…1100111111101001101
3110110101022011212221221
41321113233213331031
54113344201333401
6135511345523341
712262323152323
oct1712757477515
9413338155857
10130321121101
11502a596a176
1221310343551
13c39b589112
146443db9d13
1535cb1457a1
hex1e57be7f4d

130321121101 has 4 divisors (see below), whose sum is σ = 132106342012. Its totient is φ = 128535900192.

The previous prime is 130321121071. The next prime is 130321121111. The reversal of 130321121101 is 101121123031.

It is a happy number.

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 57353065225 + 72968055876 = 239485^2 + 270126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130321121101 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 (130321121111) 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, 892610346 + ... + 892610491.

It is an arithmetic number, because the mean of its divisors is an integer number (33026585503).

Almost surely, 2130321121101 is an apocalyptic number.

It is an amenable number.

130321121101 is a deficient number, since it is larger than the sum of its proper divisors (1785220911).

130321121101 is an equidigital number, since it uses as much as digits as its factorization.

130321121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785220910.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 130321121101 its reverse (101121123031), we get a palindrome (231442244132).

The spelling of 130321121101 in words is "one hundred thirty billion, three hundred twenty-one million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 73 1785220837 130321121101