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254201421211 = 1979169354711
BaseRepresentation
bin1110110010111110010…
…1011101110110011011
3220022010201211011112021
43230233211131312123
513131101030434321
6312440054355311
724236230300123
oct3545745356633
9808121734467
10254201421211
1198896091191
124132365bb37
131ac8164474a
14c4367d7c83
15692bac9941
hex3b2f95dd9b

254201421211 has 8 divisors (see below), whose sum is σ = 270967539200. Its totient is φ = 237774012840.

The previous prime is 254201421191. The next prime is 254201421223. The reversal of 254201421211 is 112124102452.

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 254201421211 - 211 = 254201419163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254201421241) 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, 84675855 + ... + 84678856.

It is an arithmetic number, because the mean of its divisors is an integer number (33870942400).

Almost surely, 2254201421211 is an apocalyptic number.

254201421211 is a deficient number, since it is larger than the sum of its proper divisors (16766117989).

254201421211 is a wasteful number, since it uses less digits than its factorization.

254201421211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169354809.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 254201421211 its reverse (112124102452), we get a palindrome (366325523663).

The spelling of 254201421211 in words is "two hundred fifty-four billion, two hundred one million, four hundred twenty-one thousand, two hundred eleven".

Divisors: 1 19 79 1501 169354711 3217739509 13379022169 254201421211