Search a number
-
+
315126139029 = 3138080157411
BaseRepresentation
bin1001001010111101111…
…10110100100010010101
31010010101200102111122120
410211132332310202111
520130334242422104
6400433354450153
731524055662132
oct4453676644225
91103350374576
10315126139029
1111170a543449
12510a7133959
1323940840c30
1411375ddd589
1582e55dccd9
hex495efb4895

315126139029 has 8 divisors (see below), whose sum is σ = 452488815072. Its totient is φ = 193923777840.

The previous prime is 315126138973. The next prime is 315126139061. The reversal of 315126139029 is 920931621513.

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

It is not a de Polignac number, because 315126139029 - 235 = 280766400661 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315126139129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4040078667 + ... + 4040078744.

It is an arithmetic number, because the mean of its divisors is an integer number (56561101884).

Almost surely, 2315126139029 is an apocalyptic number.

315126139029 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

315126139029 is a deficient number, since it is larger than the sum of its proper divisors (137362676043).

315126139029 is a wasteful number, since it uses less digits than its factorization.

315126139029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8080157427.

The product of its (nonzero) digits is 87480, while the sum is 42.

The spelling of 315126139029 in words is "three hundred fifteen billion, one hundred twenty-six million, one hundred thirty-nine thousand, twenty-nine".

Divisors: 1 3 13 39 8080157411 24240472233 105042046343 315126139029