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420015144211 = 1365514931897
BaseRepresentation
bin1100001110010101101…
…10100111110100010011
31111011010120121001012021
412013022312213310103
523340142334103321
6520541410112311
742226236551065
oct6071266476423
91434116531167
10420015144211
111521446654a3
126949a27b697
13307b81b9140
14164864ab735
15add3b56941
hex61cada7d13

420015144211 has 8 divisors (see below), whose sum is σ = 452393139744. Its totient is φ = 387647025600.

The previous prime is 420015144181. The next prime is 420015144259. The reversal of 420015144211 is 112441510024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-420015144211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420015144271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2380786 + ... + 2551111.

It is an arithmetic number, because the mean of its divisors is an integer number (56549142468).

Almost surely, 2420015144211 is an apocalyptic number.

420015144211 is a deficient number, since it is larger than the sum of its proper divisors (32377995533).

420015144211 is a wasteful number, since it uses less digits than its factorization.

420015144211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4938461.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 420015144211 its reverse (112441510024), we get a palindrome (532456654235).

The spelling of 420015144211 in words is "four hundred twenty billion, fifteen million, one hundred forty-four thousand, two hundred eleven".

Divisors: 1 13 6551 85163 4931897 64114661 32308857247 420015144211