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11214103421 = 53613468637
BaseRepresentation
bin10100111000110100…
…11010001101111101
31001221112022110220202
422130122122031331
5140431302302141
65052433053245
7544616210033
oct123432321575
931845273822
1011214103421
114835083974
12220b6b7225
1310993ac171
147854c4553
1545978249b
hex29c69a37d

11214103421 has 8 divisors (see below), whose sum is σ = 11613000024. Its totient is φ = 10822144320.

The previous prime is 11214103393. The next prime is 11214103457. The reversal of 11214103421 is 12430141211.

It can be written as a sum of positive squares in 4 ways, for example, as 2455202500 + 8758900921 = 49550^2 + 93589^2 .

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 11214103421 - 214 = 11214087037 is a prime.

It is a super-2 number, since 2×112141034212 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11214103393 and 11214103402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11214103921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731086 + ... + 1737551.

It is an arithmetic number, because the mean of its divisors is an integer number (1451625003).

Almost surely, 211214103421 is an apocalyptic number.

It is an amenable number.

11214103421 is a deficient number, since it is larger than the sum of its proper divisors (398896603).

11214103421 is an equidigital number, since it uses as much as digits as its factorization.

11214103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3468751.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11214103421 its reverse (12430141211), we get a palindrome (23644244632).

The spelling of 11214103421 in words is "eleven billion, two hundred fourteen million, one hundred three thousand, four hundred twenty-one".

Divisors: 1 53 61 3233 3468637 183837761 211586857 11214103421