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21214554414034 = 282112919947877
BaseRepresentation
bin1001101001011011001011…
…11110101101101111010010
32210010002110202212110021211
410310231211332231233102
510240034401412222114
6113041455354210334
74316462302140622
oct464554576555722
983102422773254
1021214554414034
11683a0509a4883
1224676334239aa
13bab6a7004c47
14534b0b73a882
1526bc8c6ba6c4
hex134b65fadbd2

21214554414034 has 8 divisors (see below), whose sum is σ = 31860591467148. Its totient is φ = 10594357258320.

The previous prime is 21214554414023. The next prime is 21214554414041. The reversal of 21214554414034 is 43041445541212.

It can be written as a sum of positive squares in 2 ways, for example, as 19585094505025 + 1629459909009 = 4425505^2 + 1276503^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6459972297 + ... + 6459975580.

Almost surely, 221214554414034 is an apocalyptic number.

21214554414034 is a deficient number, since it is larger than the sum of its proper divisors (10646037053114).

21214554414034 is a wasteful number, since it uses less digits than its factorization.

21214554414034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12919948700.

The product of its (nonzero) digits is 307200, while the sum is 40.

Adding to 21214554414034 its reverse (43041445541212), we get a palindrome (64255999955246).

The spelling of 21214554414034 in words is "twenty-one trillion, two hundred fourteen billion, five hundred fifty-four million, four hundred fourteen thousand, thirty-four".

Divisors: 1 2 821 1642 12919947877 25839895754 10607277207017 21214554414034