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1554332341145 = 51771292565053
BaseRepresentation
bin10110100111100101011…
…011010101001110011001
312111121000002112001010212
4112213211123111032121
5200431233034404040
63150014520220505
7220203542623343
oct26474533251631
95447002461125
101554332341145
1154a2090a3471
122112a690a735
13b375a8ba2ac
1455331502293
152a672260d65
hex169e56d5399

1554332341145 has 16 divisors (see below), whose sum is σ = 1975194182160. Its totient is φ = 1170156201984.

The previous prime is 1554332341129. The next prime is 1554332341147. The reversal of 1554332341145 is 5411432334551.

It can be written as a sum of positive squares in 8 ways, for example, as 318571065241 + 1235761275904 = 564421^2 + 1111648^2 .

It is a cyclic number.

It is not a de Polignac number, because 1554332341145 - 24 = 1554332341129 is a prime.

It is a super-2 number, since 2×15543323411452 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1554332341147) 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 15 ways as a sum of consecutive naturals, for example, 676562 + ... + 1888491.

It is an arithmetic number, because the mean of its divisors is an integer number (123449636385).

Almost surely, 21554332341145 is an apocalyptic number.

It is an amenable number.

1554332341145 is a deficient number, since it is larger than the sum of its proper divisors (420861841015).

1554332341145 is a wasteful number, since it uses less digits than its factorization.

1554332341145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2572204.

The product of its digits is 432000, while the sum is 41.

Adding to 1554332341145 its reverse (5411432334551), we get a palindrome (6965764675696).

The spelling of 1554332341145 in words is "one trillion, five hundred fifty-four billion, three hundred thirty-two million, three hundred forty-one thousand, one hundred forty-five".

Divisors: 1 5 17 85 7129 35645 121193 605965 2565053 12825265 43605901 218029505 18286262837 91431314185 310866468229 1554332341145