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154102331111441 = 182518443500691
BaseRepresentation
bin100011000010011110111110…
…101101000111100000010001
3202012122001001102012120100012
4203002132332231013200101
5130144303033231031231
61303425344505004305
744313345264644336
oct4302367655074021
9665561042176305
10154102331111441
1145113482522509
121534a092a83695
1367caa310c005b
142a0a84222698d
1512c384e0dde2b
hex8c27beb47811

154102331111441 has 4 divisors (see below), whose sum is σ = 154110774630384. Its totient is φ = 154093887592500.

The previous prime is 154102331111413. The next prime is 154102331111471. The reversal of 154102331111441 is 144111133201451.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-154102331111441 is a prime.

It is a super-2 number, since 2×1541023311114412 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 154102331111398 and 154102331111407.

It is not an unprimeable number, because it can be changed into a prime (154102331111411) 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, 4221732095 + ... + 4221768596.

It is an arithmetic number, because the mean of its divisors is an integer number (38527693657596).

Almost surely, 2154102331111441 is an apocalyptic number.

It is an amenable number.

154102331111441 is a deficient number, since it is larger than the sum of its proper divisors (8443518943).

154102331111441 is an equidigital number, since it uses as much as digits as its factorization.

154102331111441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8443518942.

The product of its (nonzero) digits is 5760, while the sum is 32.

Adding to 154102331111441 its reverse (144111133201451), we get a palindrome (298213464312892).

The spelling of 154102331111441 in words is "one hundred fifty-four trillion, one hundred two billion, three hundred thirty-one million, one hundred eleven thousand, four hundred forty-one".

Divisors: 1 18251 8443500691 154102331111441