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21114240141 = 343916032073
BaseRepresentation
bin10011101010100000…
…011011110010001101
32000111111011112101010
4103222200123302031
5321220221141031
613411051235433
71345142036301
oct235240336215
960444145333
1021114240141
118a55490145
124113148b79
131cb64a3127
14104428dd01
158389b6246
hex4ea81bc8d

21114240141 has 8 divisors (see below), whose sum is σ = 28216450240. Its totient is φ = 14044095072.

The previous prime is 21114240127. The next prime is 21114240149. The reversal of 21114240141 is 14104241112.

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

It is not a de Polignac number, because 21114240141 - 213 = 21114231949 is a prime.

It is a super-2 number, since 2×211142401412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114240149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8014720 + ... + 8017353.

It is an arithmetic number, because the mean of its divisors is an integer number (3527056280).

Almost surely, 221114240141 is an apocalyptic number.

It is an amenable number.

21114240141 is a deficient number, since it is larger than the sum of its proper divisors (7102210099).

21114240141 is a wasteful number, since it uses less digits than its factorization.

21114240141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16032515.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 21114240141 its reverse (14104241112), we get a palindrome (35218481253).

The spelling of 21114240141 in words is "twenty-one billion, one hundred fourteen million, two hundred forty thousand, one hundred forty-one".

Divisors: 1 3 439 1317 16032073 48096219 7038080047 21114240141