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300605138137 = 1125726703841
BaseRepresentation
bin1000101111111010111…
…01100110010011011001
31001201220200121020012201
410113331131212103121
514411114403410022
6350032431210201
730501163341433
oct4277535462331
91051820536181
10300605138137
11106538844567
124a314076961
1322468306105
1410799665653
157c45894127
hex45fd7664d9

300605138137 has 4 divisors (see below), whose sum is σ = 300631853236. Its totient is φ = 300578423040.

The previous prime is 300605138129. The next prime is 300605138167. The reversal of 300605138137 is 731831506003.

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 111398407696 + 189206730441 = 333764^2 + 434979^2 .

It is a cyclic number.

It is not a de Polignac number, because 300605138137 - 23 = 300605138129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 300605138096 and 300605138105.

It is not an unprimeable number, because it can be changed into a prime (300605138107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13340664 + ... + 13363177.

It is an arithmetic number, because the mean of its divisors is an integer number (75157963309).

Almost surely, 2300605138137 is an apocalyptic number.

It is an amenable number.

300605138137 is a deficient number, since it is larger than the sum of its proper divisors (26715099).

300605138137 is a wasteful number, since it uses less digits than its factorization.

300605138137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26715098.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 300605138137 in words is "three hundred billion, six hundred five million, one hundred thirty-eight thousand, one hundred thirty-seven".

Divisors: 1 11257 26703841 300605138137