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15152430243 = 35050810081
BaseRepresentation
bin11100001110010011…
…11011110010100011
31110002222222012200010
432013021323302203
5222013010231433
610543321100003
71044330350316
oct160711736243
943088865603
1015152430243
116476174125
122b2a627603
1315762b9172
14a3a58297d
155da3c3e63
hex38727bca3

15152430243 has 4 divisors (see below), whose sum is σ = 20203240328. Its totient is φ = 10101620160.

The previous prime is 15152430221. The next prime is 15152430269. The reversal of 15152430243 is 34203425151.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15152430243 - 29 = 15152429731 is a prime.

It is a super-2 number, since 2×151524302432 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15152430243.

It is not an unprimeable number, because it can be changed into a prime (15152430203) 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, 2525405038 + ... + 2525405043.

It is an arithmetic number, because the mean of its divisors is an integer number (5050810082).

Almost surely, 215152430243 is an apocalyptic number.

15152430243 is a deficient number, since it is larger than the sum of its proper divisors (5050810085).

15152430243 is an equidigital number, since it uses as much as digits as its factorization.

15152430243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050810084.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 15152430243 its reverse (34203425151), we get a palindrome (49355855394).

The spelling of 15152430243 in words is "fifteen billion, one hundred fifty-two million, four hundred thirty thousand, two hundred forty-three".

Divisors: 1 3 5050810081 15152430243