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420031444401 = 3316395440001
BaseRepresentation
bin1100001110010111101…
…00110011010110110001
31111011011201021011212000
412013023310303112301
523340211022210101
6520543151324213
742226525240362
oct6071364632661
91434151234760
10420031444401
11152152889028
12694a3820669
13307bb6a551a
1416488711b69
15add52c6486
hex61cbd335b1

420031444401 has 16 divisors (see below), whose sum is σ = 626086413120. Its totient is φ = 278303040000.

The previous prime is 420031444397. The next prime is 420031444439. The reversal of 420031444401 is 104444130024.

420031444401 is a `hidden beast` number, since 4 + 200 + 3 + 14 + 4 + 440 + 1 = 666.

It is not a de Polignac number, because 420031444401 - 22 = 420031444397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (420031484401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47715600 + ... + 47724401.

It is an arithmetic number, because the mean of its divisors is an integer number (39130400820).

Almost surely, 2420031444401 is an apocalyptic number.

It is an amenable number.

420031444401 is a deficient number, since it is larger than the sum of its proper divisors (206054968719).

420031444401 is a wasteful number, since it uses less digits than its factorization.

420031444401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95440173 (or 95440167 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 420031444401 its reverse (104444130024), we get a palindrome (524475574425).

The spelling of 420031444401 in words is "four hundred twenty billion, thirty-one million, four hundred forty-four thousand, four hundred one".

Divisors: 1 3 9 27 163 489 1467 4401 95440001 286320003 858960009 2576880027 15556720163 46670160489 140010481467 420031444401