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154252235121041 = 179073660889473
BaseRepresentation
bin100011000100101010100101…
…101011100010000110010001
3202020011100222111001021010202
4203010222211223202012101
5130204232034142333131
61304022255404104545
744330233120003241
oct4304524553420621
9666140874037122
10154252235121041
1145171007418652
1215373149535155
13680bc00800a55
142a13bc2d4bb21
1512c76c455bbcb
hex8c4aa5ae2191

154252235121041 has 4 divisors (see below), whose sum is σ = 163325896010532. Its totient is φ = 145178574231552.

The previous prime is 154252235121037. The next prime is 154252235121113. The reversal of 154252235121041 is 140121532252451.

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 59133254734225 + 95118980386816 = 7689815^2 + 9752896^2 .

It is a cyclic number.

It is not a de Polignac number, because 154252235121041 - 22 = 154252235121037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154252235120986 and 154252235121004.

It is not an unprimeable number, because it can be changed into a prime (154252235120041) 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, 4536830444720 + ... + 4536830444753.

It is an arithmetic number, because the mean of its divisors is an integer number (40831474002633).

Almost surely, 2154252235121041 is an apocalyptic number.

It is an amenable number.

154252235121041 is a deficient number, since it is larger than the sum of its proper divisors (9073660889491).

154252235121041 is an equidigital number, since it uses as much as digits as its factorization.

154252235121041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9073660889490.

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 154252235121041 its reverse (140121532252451), we get a palindrome (294373767373492).

The spelling of 154252235121041 in words is "one hundred fifty-four trillion, two hundred fifty-two billion, two hundred thirty-five million, one hundred twenty-one thousand, forty-one".

Divisors: 1 17 9073660889473 154252235121041