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420400214401 = 5314969117703
BaseRepresentation
bin1100001111000011100…
…11100011000110000001
31111012010102011122012011
412013201303203012001
523341434423330101
6521043523332521
742241623601516
oct6074163430601
91435112148164
10420400214401
11152321a63422
1269587221141
1330849c0101b
14164c16a730d
15ae0786b751
hex61e1ce3181

420400214401 has 16 divisors (see below), whose sum is σ = 431325388800. Its totient is φ = 409587430720.

The previous prime is 420400214371. The next prime is 420400214441. The reversal of 420400214401 is 104412004024.

It is a cyclic number.

It is not a de Polignac number, because 420400214401 - 213 = 420400206209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420400214441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54572316 + ... + 54580018.

It is an arithmetic number, because the mean of its divisors is an integer number (26957836800).

Almost surely, 2420400214401 is an apocalyptic number.

It is an amenable number.

420400214401 is a deficient number, since it is larger than the sum of its proper divisors (10925174399).

420400214401 is a wasteful number, since it uses less digits than its factorization.

420400214401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14816.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 420400214401 its reverse (104412004024), we get a palindrome (524812218425).

The spelling of 420400214401 in words is "four hundred twenty billion, four hundred million, two hundred fourteen thousand, four hundred one".

Divisors: 1 53 149 6911 7703 7897 366283 408259 1029739 1147747 53235433 54576167 60830591 2821477949 7932079517 420400214401