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420032431404 = 223261191271599
BaseRepresentation
bin1100001110010111110…
…00100100010100101100
31111011011210010022202200
412013023320210110230
523340211300301104
6520543224421500
742226536521055
oct6071370442454
91434153108680
10420032431404
111521533a2633
12694a4017890
13307bb95c851
14164888cb72c
15add541db39
hex61cbe2452c

420032431404 has 36 divisors (see below), whose sum is σ = 1079154367200. Its totient is φ = 137715550560.

The previous prime is 420032431363. The next prime is 420032431439. The reversal of 420032431404 is 404134230024.

It is a happy number.

420032431404 is a `hidden beast` number, since 4 + 20 + 0 + 324 + 314 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4200324314042 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95633604 + ... + 95637995.

It is an arithmetic number, because the mean of its divisors is an integer number (29976510200).

Almost surely, 2420032431404 is an apocalyptic number.

It is an amenable number.

420032431404 is an abundant number, since it is smaller than the sum of its proper divisors (659121935796).

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

420032431404 is a wasteful number, since it uses less digits than its factorization.

420032431404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191271670 (or 191271665 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 420032431404 its reverse (404134230024), we get a palindrome (824166661428).

The spelling of 420032431404 in words is "four hundred twenty billion, thirty-two million, four hundred thirty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 61 122 183 244 366 549 732 1098 2196 191271599 382543198 573814797 765086396 1147629594 1721444391 2295259188 3442888782 6885777564 11667567539 23335135078 35002702617 46670270156 70005405234 105008107851 140010810468 210016215702 420032431404