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420210421232 = 2476735574857
BaseRepresentation
bin1100001110101100111…
…11100010110111110000
31111011122012001010220112
412013112133202313300
523341042331434412
6521013023400452
742234130434620
oct6072637426760
91434565033815
10420210421232
11152234911a68
1269533753128
13308197ab784
14164a43c0880
15ade5d7b722
hex61d67e2df0

420210421232 has 40 divisors (see below), whose sum is σ = 931848664416. Its totient is φ = 179822555136.

The previous prime is 420210421201. The next prime is 420210421237. The reversal of 420210421232 is 232124012024.

It is a super-2 number, since 2×4202104212322 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420210421198 and 420210421207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420210421237) 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, 2712053 + ... + 2862804.

Almost surely, 2420210421232 is an apocalyptic number.

It is an amenable number.

420210421232 is an abundant number, since it is smaller than the sum of its proper divisors (511638243184).

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

420210421232 is a wasteful number, since it uses less digits than its factorization.

420210421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575545 (or 5575539 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 420210421232 its reverse (232124012024), we get a palindrome (652334433256).

The spelling of 420210421232 in words is "four hundred twenty billion, two hundred ten million, four hundred twenty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 673 1346 2692 4711 5384 9422 10768 18844 37688 75376 5574857 11149714 22299428 39023999 44598856 78047998 89197712 156095996 312191992 624383984 3751878761 7503757522 15007515044 26263151327 30015030088 52526302654 60030060176 105052605308 210105210616 420210421232