Search a number
-
+
13928280193 = 67941220919
BaseRepresentation
bin11001111100011000…
…01011000010000001
31022221200111221111101
430332030023002001
5212011114431233
610222031214401
71002104266612
oct147614130201
938850457441
1013928280193
1159a8173073
122848677401
13140c7ba619
14961b67c09
15567bb7c7d
hex33e30b081

13928280193 has 8 divisors (see below), whose sum is σ = 14151251520. Its totient is φ = 13705752720.

The previous prime is 13928280161. The next prime is 13928280227. The reversal of 13928280193 is 39108282931.

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

It is a cyclic number.

It is not a de Polignac number, because 13928280193 - 25 = 13928280161 is a prime.

It is a super-2 number, since 2×139282801932 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13928280133) 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, 47413 + ... + 173506.

It is an arithmetic number, because the mean of its divisors is an integer number (1768906440).

Almost surely, 213928280193 is an apocalyptic number.

It is an amenable number.

13928280193 is a deficient number, since it is larger than the sum of its proper divisors (222971327).

13928280193 is an equidigital number, since it uses as much as digits as its factorization.

13928280193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221927.

The product of its (nonzero) digits is 186624, while the sum is 46.

The spelling of 13928280193 in words is "thirteen billion, nine hundred twenty-eight million, two hundred eighty thousand, one hundred ninety-three".

Divisors: 1 67 941 63047 220919 14801573 207884779 13928280193