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263230135011221 = 761216143490443
BaseRepresentation
bin111011110110100000001010…
…101100010000011110010101
31021112000112222200220201102212
4323312200022230100132111
5234000230304030324341
62331502130555243205
7106305515064115040
oct7366401254203625
91245015880821385
10263230135011221
1176967300900284
122563391b749505
13b3b5659002c01
144900599685c57
1520673472025eb
hexef680ab10795

263230135011221 has 8 divisors (see below), whose sum is σ = 300883587985344. Its totient is φ = 225588969030240.

The previous prime is 263230135011209. The next prime is 263230135011257. The reversal of 263230135011221 is 122110531032362.

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 263230135011221 - 214 = 263230134994837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263230135011271) 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 7 ways as a sum of consecutive naturals, for example, 3071702375 + ... + 3071788068.

It is an arithmetic number, because the mean of its divisors is an integer number (37610448498168).

Almost surely, 2263230135011221 is an apocalyptic number.

It is an amenable number.

263230135011221 is a deficient number, since it is larger than the sum of its proper divisors (37653452974123).

263230135011221 is an equidigital number, since it uses as much as digits as its factorization.

263230135011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6143496571.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 263230135011221 its reverse (122110531032362), we get a palindrome (385340666043583).

The spelling of 263230135011221 in words is "two hundred sixty-three trillion, two hundred thirty billion, one hundred thirty-five million, eleven thousand, two hundred twenty-one".

Divisors: 1 7 6121 42847 6143490443 43004433101 37604305001603 263230135011221