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21211330141012 = 2211482075685023
BaseRepresentation
bin1001101001010101001011…
…10011000101101101010100
32210002210011001211102012111
410310222211303011231110
510240011301004003022
6113040203415000404
74316316351234004
oct464524563055524
983083131742174
1021211330141012
116838746982830
122466a93669104
13bab2b201809b
145348c3434004
1526bb4e5c5477
hex134aa5cc5b54

21211330141012 has 12 divisors (see below), whose sum is σ = 40494357542016. Its totient is φ = 9641513700440.

The previous prime is 21211330140997. The next prime is 21211330141039. The reversal of 21211330141012 is 21014103311212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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, 241037842468 + ... + 241037842555.

It is an arithmetic number, because the mean of its divisors is an integer number (3374529795168).

Almost surely, 221211330141012 is an apocalyptic number.

21211330141012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21211330141012 is a deficient number, since it is larger than the sum of its proper divisors (19283027401004).

21211330141012 is a wasteful number, since it uses less digits than its factorization.

21211330141012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482075685038 (or 482075685036 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 21211330141012 its reverse (21014103311212), we get a palindrome (42225433452224).

The spelling of 21211330141012 in words is "twenty-one trillion, two hundred eleven billion, three hundred thirty million, one hundred forty-one thousand, twelve".

Divisors: 1 2 4 11 22 44 482075685023 964151370046 1928302740092 5302832535253 10605665070506 21211330141012