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154041465121 = 1011525163021
BaseRepresentation
bin1000111101110110010…
…1100011100100100001
3112201121102012012202221
42033131211203210201
510010434103340441
6154433215111041
714062201564255
oct2173545434441
9481542165687
10154041465121
115a368433775
1225a30212481
13116ab95b53b
14765441a265
1540187e58d1
hex23dd963921

154041465121 has 4 divisors (see below), whose sum is σ = 155566628244. Its totient is φ = 152516302000.

The previous prime is 154041465041. The next prime is 154041465133. The reversal of 154041465121 is 121564140451.

154041465121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 126245906721 + 27795558400 = 355311^2 + 166720^2 .

It is a cyclic number.

It is not a de Polignac number, because 154041465121 - 237 = 16602511649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154041465421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762581410 + ... + 762581611.

It is an arithmetic number, because the mean of its divisors is an integer number (38891657061).

Almost surely, 2154041465121 is an apocalyptic number.

It is an amenable number.

154041465121 is a deficient number, since it is larger than the sum of its proper divisors (1525163123).

154041465121 is a wasteful number, since it uses less digits than its factorization.

154041465121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525163122.

The product of its (nonzero) digits is 19200, while the sum is 34.

The spelling of 154041465121 in words is "one hundred fifty-four billion, forty-one million, four hundred sixty-five thousand, one hundred twenty-one".

Divisors: 1 101 1525163021 154041465121