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15153402042 = 2321979342533
BaseRepresentation
bin11100001110011011…
…01001000010111010
31110010001210120201200
432013031221002322
5222013232331132
610543353555030
71044341535462
oct160715510272
943101716650
1015153402042
116476778269
122b2aa15a76
1315765695ac
14a3a756ba2
155da516d7c
hex3873690ba

15153402042 has 24 divisors (see below), whose sum is σ = 32834801844. Its totient is φ = 5050760064.

The previous prime is 15153402037. The next prime is 15153402049. The reversal of 15153402042 is 24020435151.

15153402042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15086963241 + 66438801 = 122829^2 + 8151^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15153401997 and 15153402015.

It is not an unprimeable number, because it can be changed into a prime (15153402049) 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 11 ways as a sum of consecutive naturals, for example, 335008 + ... + 377540.

Almost surely, 215153402042 is an apocalyptic number.

15153402042 is an abundant number, since it is smaller than the sum of its proper divisors (17681399802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15153402042 is a wasteful number, since it uses less digits than its factorization.

15153402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62334 (or 62331 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 15153402042 its reverse (24020435151), we get a palindrome (39173837193).

The spelling of 15153402042 in words is "fifteen billion, one hundred fifty-three million, four hundred two thousand, forty-two".

Divisors: 1 2 3 6 9 18 19793 39586 42533 59379 85066 118758 127599 178137 255198 356274 382797 765594 841855669 1683711338 2525567007 5051134014 7576701021 15153402042