Search a number
-
+
15106345620634 = 250914839239313
BaseRepresentation
bin1101101111010011100001…
…0111010101010010011010
31222111011010012101122112201
43123310320113111102122
53440000243434330014
652043432005200414
73116253220100602
oct333647027252232
958434105348481
1015106345620634
1148a4624310354
12183b86470010a
138576a35a9a18
143a32185d1c02
151b2e3da07e74
hexdbd385d549a

15106345620634 has 8 divisors (see below), whose sum is σ = 22704036150420. Its totient is φ = 7538333570496.

The previous prime is 15106345620631. The next prime is 15106345620659. The reversal of 15106345620634 is 43602654360151.

It can be written as a sum of positive squares in 2 ways, for example, as 14989309789609 + 117035831025 = 3871603^2 + 342105^2 .

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

It is not an unprimeable number, because it can be changed into a prime (15106345620631) 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, 7419618639 + ... + 7419620674.

Almost surely, 215106345620634 is an apocalyptic number.

15106345620634 is a deficient number, since it is larger than the sum of its proper divisors (7597690529786).

15106345620634 is a wasteful number, since it uses less digits than its factorization.

15106345620634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14839239824.

The product of its (nonzero) digits is 1555200, while the sum is 46.

Adding to 15106345620634 its reverse (43602654360151), we get a palindrome (58708999980785).

The spelling of 15106345620634 in words is "fifteen trillion, one hundred six billion, three hundred forty-five million, six hundred twenty thousand, six hundred thirty-four".

Divisors: 1 2 509 1018 14839239313 29678478626 7553172810317 15106345620634