Search a number
-
+
13954743507193 = 17820867265129
BaseRepresentation
bin1100101100010001011110…
…0001111001100011111001
31211102001122001211220201021
43023010113201321203321
53312113303314212233
645402415355222441
72640124360455616
oct313042741714371
954361561756637
1013954743507193
1144a019aa01815
121694633447a21
137a2c07b69018
143635adb1350d
15192edcbe6e2d
hexcb1178798f9

13954743507193 has 4 divisors (see below), whose sum is σ = 14775610772340. Its totient is φ = 13133876242048.

The previous prime is 13954743507167. The next prime is 13954743507203. The reversal of 13954743507193 is 39170534745931.

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 4090922895609 + 9863820611584 = 2022603^2 + 3140672^2 .

It is a cyclic number.

It is not a de Polignac number, because 13954743507193 - 25 = 13954743507161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13954743508193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410433632548 + ... + 410433632581.

It is an arithmetic number, because the mean of its divisors is an integer number (3693902693085).

Almost surely, 213954743507193 is an apocalyptic number.

It is an amenable number.

13954743507193 is a deficient number, since it is larger than the sum of its proper divisors (820867265147).

13954743507193 is an equidigital number, since it uses as much as digits as its factorization.

13954743507193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820867265146.

The product of its (nonzero) digits is 42865200, while the sum is 61.

The spelling of 13954743507193 in words is "thirteen trillion, nine hundred fifty-four billion, seven hundred forty-three million, five hundred seven thousand, one hundred ninety-three".

Divisors: 1 17 820867265129 13954743507193