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1214003451420 = 223252913915710657
BaseRepresentation
bin10001101010101000001…
…111101001011000011100
311022001112222200011000100
4101222220033221120130
5124342234340421140
62325412215101100
7153465065035014
oct21525017513034
94261488604010
101214003451420
11428946332441
12177347371790
138a631834836
1442a8825cc44
15218a42a1530
hex11aa83e961c

1214003451420 has 288 divisors, whose sum is σ = 3861666244800. Its totient is φ = 308316782592.

The previous prime is 1214003451413. The next prime is 1214003451499. The reversal of 1214003451420 is 241543004121.

1214003451420 is a `hidden beast` number, since 1 + 2 + 140 + 0 + 3 + 4 + 514 + 2 + 0 = 666.

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 95 ways as a sum of consecutive naturals, for example, 113910732 + ... + 113921388.

It is an arithmetic number, because the mean of its divisors is an integer number (13408563350).

Almost surely, 21214003451420 is an apocalyptic number.

1214003451420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1214003451420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1930833122400).

1214003451420 is an abundant number, since it is smaller than the sum of its proper divisors (2647662793380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214003451420 is a wasteful number, since it uses less digits than its factorization.

1214003451420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10997 (or 10992 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1214003451420 its reverse (241543004121), we get a palindrome (1455546455541).

The spelling of 1214003451420 in words is "one trillion, two hundred fourteen billion, three million, four hundred fifty-one thousand, four hundred twenty".