Search a number
-
+
15142051423 = 791631175899
BaseRepresentation
bin11100001101000100…
…10101111001011111
31110002021102220121101
432012202111321133
5222002331121143
610542310413531
71044143212342
oct160642257137
943067386541
1015142051423
116470325394
122b270612a7
1315740c4055
14a39040459
155d9523b4d
hex386895e5f

15142051423 has 8 divisors (see below), whose sum is σ = 15427808000. Its totient is φ = 14858647128.

The previous prime is 15142051417. The next prime is 15142051469. The reversal of 15142051423 is 32415024151.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-15142051423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15142051391 and 15142051400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15142051493) 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 7 ways as a sum of consecutive naturals, for example, 575073 + ... + 600826.

It is an arithmetic number, because the mean of its divisors is an integer number (1928476000).

Almost surely, 215142051423 is an apocalyptic number.

15142051423 is a deficient number, since it is larger than the sum of its proper divisors (285756577).

15142051423 is a wasteful number, since it uses less digits than its factorization.

15142051423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176141.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 15142051423 its reverse (32415024151), we get a palindrome (47557075574).

The spelling of 15142051423 in words is "fifteen billion, one hundred forty-two million, fifty-one thousand, four hundred twenty-three".

Divisors: 1 79 163 12877 1175899 92896021 191671537 15142051423