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21417776014 = 247227848681
BaseRepresentation
bin10011111100100110…
…010101001110001110
32001021122022202022111
4103330212111032032
5322330422313024
613501133134234
71355516043445
oct237446251616
961248282274
1021417776014
1190a085a138
12419892a37a
13203433b45b
141072703d5c
15855472a94
hex4fc99538e

21417776014 has 8 divisors (see below), whose sum is σ = 32810210208. Its totient is φ = 10481039280.

The previous prime is 21417775999. The next prime is 21417776047. The reversal of 21417776014 is 41067771412.

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

It is a super-2 number, since 2×214177760142 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 113924247 + ... + 113924434.

It is an arithmetic number, because the mean of its divisors is an integer number (4101276276).

Almost surely, 221417776014 is an apocalyptic number.

21417776014 is a deficient number, since it is larger than the sum of its proper divisors (11392434194).

21417776014 is a wasteful number, since it uses less digits than its factorization.

21417776014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227848730.

The product of its (nonzero) digits is 65856, while the sum is 40.

The spelling of 21417776014 in words is "twenty-one billion, four hundred seventeen million, seven hundred seventy-six thousand, fourteen".

Divisors: 1 2 47 94 227848681 455697362 10708888007 21417776014