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14250221231 = 29491386939
BaseRepresentation
bin11010100010110000…
…10001111010101111
31100210010022020120112
431101120101322233
5213141024034411
610314011410235
71013063611331
oct152130217257
940703266515
1014250221231
116052973144
12291845397b
1314613cb18c
1499280d451
155860acb8b
hex351611eaf

14250221231 has 4 divisors (see below), whose sum is σ = 14741608200. Its totient is φ = 13758834264.

The previous prime is 14250221149. The next prime is 14250221243. The reversal of 14250221231 is 13212205241.

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

It is a cyclic number.

It is not a de Polignac number, because 14250221231 - 214 = 14250204847 is a prime.

It is a super-2 number, since 2×142502212312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14250221197 and 14250221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14250211231) 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, 245693441 + ... + 245693498.

It is an arithmetic number, because the mean of its divisors is an integer number (3685402050).

Almost surely, 214250221231 is an apocalyptic number.

14250221231 is a deficient number, since it is larger than the sum of its proper divisors (491386969).

14250221231 is an equidigital number, since it uses as much as digits as its factorization.

14250221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491386968.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 14250221231 its reverse (13212205241), we get a palindrome (27462426472).

The spelling of 14250221231 in words is "fourteen billion, two hundred fifty million, two hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 29 491386939 14250221231