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15230211241 = 789179136573
BaseRepresentation
bin11100010111100101…
…01001010010101001
31110022102022220010211
432023302221102221
5222142413224431
610555140141121
71046263442140
oct161362512251
943272286124
1015230211241
11650606a143
122b506977a1
13158945051b
14a46a2c757
155e213a2b1
hex38bca94a9

15230211241 has 16 divisors (see below), whose sum is σ = 17699990400. Its totient is φ = 12835582848.

The previous prime is 15230211229. The next prime is 15230211299. The reversal of 15230211241 is 14211203251.

15230211241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15230211241 - 215 = 15230178473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15230211211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43231 + ... + 179803.

It is an arithmetic number, because the mean of its divisors is an integer number (1106249400).

Almost surely, 215230211241 is an apocalyptic number.

It is an amenable number.

15230211241 is a deficient number, since it is larger than the sum of its proper divisors (2469779159).

15230211241 is a wasteful number, since it uses less digits than its factorization.

15230211241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136848.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 15230211241 its reverse (14211203251), we get a palindrome (29441414492).

The spelling of 15230211241 in words is "fifteen billion, two hundred thirty million, two hundred eleven thousand, two hundred forty-one".

Divisors: 1 7 89 179 623 1253 15931 111517 136573 956011 12154997 24446567 85084979 171125969 2175744463 15230211241