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10013401221 = 34217928267
BaseRepresentation
bin10010101001101100…
…00110000010000101
3221211211222111010220
421110312012002011
5131001412314341
64333341534553
7503066335365
oct112466060205
927754874126
1010013401221
1142793385aa
121b35574459
13c377001a5
146adc509a5
153d9158a66
hex254d86085

10013401221 has 8 divisors (see below), whose sum is σ = 13382916384. Its totient is φ = 6659743440.

The previous prime is 10013401207. The next prime is 10013401241. The reversal of 10013401221 is 12210431001.

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

It is not a de Polignac number, because 10013401221 - 214 = 10013384837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10013401221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10013401241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3962871 + ... + 3965396.

It is an arithmetic number, because the mean of its divisors is an integer number (1672864548).

Almost surely, 210013401221 is an apocalyptic number.

It is an amenable number.

10013401221 is a deficient number, since it is larger than the sum of its proper divisors (3369515163).

10013401221 is an equidigital number, since it uses as much as digits as its factorization.

10013401221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928691.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 10013401221 its reverse (12210431001), we get a palindrome (22223832222).

The spelling of 10013401221 in words is "ten billion, thirteen million, four hundred one thousand, two hundred twenty-one".

Divisors: 1 3 421 1263 7928267 23784801 3337800407 10013401221