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139483347149 = 764918235501
BaseRepresentation
bin1000000111100111011…
…0101111100011001101
3111100000211112012021102
42001321312233203031
54241130214102044
6144024444112445
713035345613526
oct2017166574315
9440024465242
10139483347149
1154177793213
1223048835725
13101cb829153
146a72b7d84d
1539656b924e
hex2079daf8cd

139483347149 has 4 divisors (see below), whose sum is σ = 139501590300. Its totient is φ = 139465104000.

The previous prime is 139483347121. The next prime is 139483347163. The reversal of 139483347149 is 941743384931.

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 82687878025 + 56795469124 = 287555^2 + 238318^2 .

It is a cyclic number.

It is not a de Polignac number, because 139483347149 - 224 = 139466569933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139483347094 and 139483347103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139483347169) 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, 9110102 + ... + 9125399.

It is an arithmetic number, because the mean of its divisors is an integer number (34875397575).

Almost surely, 2139483347149 is an apocalyptic number.

It is an amenable number.

139483347149 is a deficient number, since it is larger than the sum of its proper divisors (18243151).

139483347149 is an equidigital number, since it uses as much as digits as its factorization.

139483347149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18243150.

The product of its digits is 7838208, while the sum is 56.

The spelling of 139483347149 in words is "one hundred thirty-nine billion, four hundred eighty-three million, three hundred forty-seven thousand, one hundred forty-nine".

Divisors: 1 7649 18235501 139483347149