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155211252343 = 756345178719
BaseRepresentation
bin1001000010001101001…
…1111100001001110111
3112211121221100120011121
42100203103330021313
510020333040033333
6155145243444411
714133164606530
oct2204323741167
9484557316147
10155211252343
115a908784174
12260b7b26707
1311837104c24
147725923687
15408636432d
hex24234fc277

155211252343 has 16 divisors (see below), whose sum is σ = 177759083520. Its totient is φ = 132757285536.

The previous prime is 155211252331. The next prime is 155211252359. The reversal of 155211252343 is 343252112551.

155211252343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 155211252343 - 225 = 155177697911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155211252299 and 155211252308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155211252143) 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 15 ways as a sum of consecutive naturals, for example, 17797138 + ... + 17805856.

It is an arithmetic number, because the mean of its divisors is an integer number (11109942720).

Almost surely, 2155211252343 is an apocalyptic number.

155211252343 is a deficient number, since it is larger than the sum of its proper divisors (22547831177).

155211252343 is an equidigital number, since it uses as much as digits as its factorization.

155211252343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13806.

The product of its digits is 36000, while the sum is 34.

Adding to 155211252343 its reverse (343252112551), we get a palindrome (498463364894).

The spelling of 155211252343 in words is "one hundred fifty-five billion, two hundred eleven million, two hundred fifty-two thousand, three hundred forty-three".

Divisors: 1 7 563 3941 4517 8719 31619 61033 2543071 4908797 17801497 34361579 39383723 275686061 22173036049 155211252343