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130221200123 = 722978098837
BaseRepresentation
bin111100101000111001…
…0011101001011111011
3110110010100011101010222
41321101302131023323
54113143111400443
6135453420130255
712260000636450
oct1712162351373
9413110141128
10130221200123
1150254522053
12212a299698b
13c383972591
146434a09827
1535c24a9468
hex1e51c9d2fb

130221200123 has 8 divisors (see below), whose sum is σ = 148889037792. Its totient is φ = 111569564736.

The previous prime is 130221200117. The next prime is 130221200159. The reversal of 130221200123 is 321002122031.

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

It is not a de Polignac number, because 130221200123 - 214 = 130221183739 is a prime.

It is a super-2 number, since 2×1302212001232 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130221200173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4033340 + ... + 4065497.

It is an arithmetic number, because the mean of its divisors is an integer number (18611129724).

Almost surely, 2130221200123 is an apocalyptic number.

130221200123 is a deficient number, since it is larger than the sum of its proper divisors (18667837669).

130221200123 is an equidigital number, since it uses as much as digits as its factorization.

130221200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101141.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 130221200123 its reverse (321002122031), we get a palindrome (451223322154).

The spelling of 130221200123 in words is "one hundred thirty billion, two hundred twenty-one million, two hundred thousand, one hundred twenty-three".

Divisors: 1 7 2297 16079 8098837 56691859 18603028589 130221200123