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15031425434 = 223833315349
BaseRepresentation
bin11011111111111000…
…10101100110011010
31102210120021112021112
431333330111212122
5221241021103214
610523315340322
71041331002524
oct157774254632
942716245245
1015031425434
116413936453
122ab5bb16a2
1315571cca9c
14a28484a14
155ce970a3e
hex37ff1599a

15031425434 has 8 divisors (see below), whose sum is σ = 22548155700. Its totient is φ = 7515373536.

The previous prime is 15031425397. The next prime is 15031425439. The reversal of 15031425434 is 43452413051.

It can be written as a sum of positive squares in 2 ways, for example, as 14810159809 + 221265625 = 121697^2 + 14875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15031425434.

It is not an unprimeable number, because it can be changed into a prime (15031425439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110009 + ... + 205340.

Almost surely, 215031425434 is an apocalyptic number.

15031425434 is a deficient number, since it is larger than the sum of its proper divisors (7516730266).

15031425434 is a wasteful number, since it uses less digits than its factorization.

15031425434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339184.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 15031425434 its reverse (43452413051), we get a palindrome (58483838485).

The spelling of 15031425434 in words is "fifteen billion, thirty-one million, four hundred twenty-five thousand, four hundred thirty-four".

Divisors: 1 2 23833 47666 315349 630698 7515712717 15031425434