Search a number
-
+
15145500114205 = 53029100022841
BaseRepresentation
bin1101110001100101011000…
…1001110111110100011101
31222121220011221111000021021
43130121112021313310131
53441120441012123310
652113425142004141
73122140416564226
oct334312611676435
958556157430237
1015145500114205
11490a196a7694a
121847371416651
1385b2a3435406
143a509078a24d
151b3e811795da
hexdc656277d1d

15145500114205 has 4 divisors (see below), whose sum is σ = 18174600137052. Its totient is φ = 12116400091360.

The previous prime is 15145500114181. The next prime is 15145500114209. The reversal of 15145500114205 is 50241100554151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8814408774649 + 6331091339556 = 2968907^2 + 2516166^2 .

It is not a de Polignac number, because 15145500114205 - 29 = 15145500113693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15145500114209) 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, 1514550011416 + ... + 1514550011425.

It is an arithmetic number, because the mean of its divisors is an integer number (4543650034263).

Almost surely, 215145500114205 is an apocalyptic number.

It is an amenable number.

15145500114205 is a deficient number, since it is larger than the sum of its proper divisors (3029100022847).

15145500114205 is an equidigital number, since it uses as much as digits as its factorization.

15145500114205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029100022846.

The product of its (nonzero) digits is 20000, while the sum is 34.

Adding to 15145500114205 its reverse (50241100554151), we get a palindrome (65386600668356).

The spelling of 15145500114205 in words is "fifteen trillion, one hundred forty-five billion, five hundred million, one hundred fourteen thousand, two hundred five".

Divisors: 1 5 3029100022841 15145500114205