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20313084256 = 2513717326783
BaseRepresentation
bin10010111010110000…
…010001000101100000
31221102122122121002221
4102322300101011200
5313100122144011
613155351520424
71316243236663
oct227260210540
957378577087
1020313084256
11868422a943
123b2a989114
131bb95070aa
14da9b036da
157dd4b1971
hex4bac11160

20313084256 has 48 divisors (see below), whose sum is σ = 40517656704. Its totient is φ = 10023752704.

The previous prime is 20313084251. The next prime is 20313084257. The reversal of 20313084256 is 65248031302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313084251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745041 + ... + 771823.

It is an arithmetic number, because the mean of its divisors is an integer number (844117848).

Almost surely, 220313084256 is an apocalyptic number.

It is an amenable number.

20313084256 is a deficient number, since it is larger than the sum of its proper divisors (20204572448).

20313084256 is a wasteful number, since it uses less digits than its factorization.

20313084256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27103 (or 27095 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 20313084256 in words is "twenty billion, three hundred thirteen million, eighty-four thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 32 137 173 274 346 548 692 1096 1384 2192 2768 4384 5536 23701 26783 47402 53566 94804 107132 189608 214264 379216 428528 758432 857056 3669271 4633459 7338542 9266918 14677084 18533836 29354168 37067672 58708336 74135344 117416672 148270688 634783883 1269567766 2539135532 5078271064 10156542128 20313084256