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20402410304 = 261403322717
BaseRepresentation
bin10011000000000101…
…000001001101000000
31221122212201211102002
4103000011001031000
5313241004112204
613212302243132
71321406424533
oct230005011500
957585654362
1020402410304
11871a6a0921
123b548864a8
131c01b81343
14db7916a1a
157e625891e
hex4c0141340

20402410304 has 28 divisors (see below), whose sum is σ = 40490700324. Its totient is φ = 10200029184.

The previous prime is 20402410297. The next prime is 20402410331. The reversal of 20402410304 is 40301420402.

It can be written as a sum of positive squares in 2 ways, for example, as 4415336704 + 15987073600 = 66448^2 + 126440^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886754 + ... + 909470.

Almost surely, 220402410304 is an apocalyptic number.

It is an amenable number.

20402410304 is a deficient number, since it is larger than the sum of its proper divisors (20088290020).

20402410304 is a wasteful number, since it uses less digits than its factorization.

20402410304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36762 (or 36752 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20402410304 its reverse (40301420402), we get a palindrome (60703830706).

The spelling of 20402410304 in words is "twenty billion, four hundred two million, four hundred ten thousand, three hundred four".

Divisors: 1 2 4 8 16 32 64 14033 22717 28066 45434 56132 90868 112264 181736 224528 363472 449056 726944 898112 1453888 318787661 637575322 1275150644 2550301288 5100602576 10201205152 20402410304