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254404024342121 = 3111636717052321
BaseRepresentation
bin111001110110000100001101…
…100000000001011001101001
31020100202210020212120011012102
4321312010031200001121221
5231321123420212421441
62301023332332423145
7104405040612221663
oct7166041540013151
91210683225504172
10254404024342121
1174074160495185
1224649255017ab5
13abc5272ab0c34
1446b7312dbd533
151e62974a3569b
hexe7610d801669

254404024342121 has 8 divisors (see below), whose sum is σ = 262610868684288. Its totient is φ = 246197196432000.

The previous prime is 254404024342087. The next prime is 254404024342151. The reversal of 254404024342121 is 121243420404452.

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 254404024342121 - 210 = 254404024341097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254404024342151) 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, 32547641 + ... + 39599961.

It is an arithmetic number, because the mean of its divisors is an integer number (32826358585536).

Almost surely, 2254404024342121 is an apocalyptic number.

It is an amenable number.

254404024342121 is a deficient number, since it is larger than the sum of its proper divisors (8206844342167).

254404024342121 is a wasteful number, since it uses less digits than its factorization.

254404024342121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216023.

The product of its (nonzero) digits is 245760, while the sum is 38.

Adding to 254404024342121 its reverse (121243420404452), we get a palindrome (375647444746573).

The spelling of 254404024342121 in words is "two hundred fifty-four trillion, four hundred four billion, twenty-four million, three hundred forty-two thousand, one hundred twenty-one".

Divisors: 1 31 1163671 7052321 36073801 218621951 8206581430391 254404024342121