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14800001221 = 37478510639
BaseRepresentation
bin11011100100010011…
…00001100011000101
31102012102210221221101
431302021201203011
5220302300014341
610444331220101
71032520635415
oct156211414305
942172727841
1014800001221
11630523aa75
122a505a7631
13151b292495
14a05842645
155b94aa831
hex3722618c5

14800001221 has 8 divisors (see below), whose sum is σ = 15523407360. Its totient is φ = 14093616528.

The previous prime is 14800001159. The next prime is 14800001269. The reversal of 14800001221 is 12210000841.

It is a happy number.

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 14800001221 - 229 = 14263130309 is a prime.

It is a super-2 number, since 2×148000012212 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

14800001221 is a modest number, since divided by 1221 gives 148 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14800001921) 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, 4253581 + ... + 4257058.

It is an arithmetic number, because the mean of its divisors is an integer number (1940425920).

Almost surely, 214800001221 is an apocalyptic number.

It is an amenable number.

14800001221 is a deficient number, since it is larger than the sum of its proper divisors (723406139).

14800001221 is an equidigital number, since it uses as much as digits as its factorization.

14800001221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8510723.

The product of its (nonzero) digits is 128, while the sum is 19.

The spelling of 14800001221 in words is "fourteen billion, eight hundred million, one thousand, two hundred twenty-one".

Divisors: 1 37 47 1739 8510639 314893643 400000033 14800001221