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20323212131302 = 2139151158518269
BaseRepresentation
bin1001001111011110111011…
…10101101111101111100110
32122221212202121002222102121
410213233131311233233212
510130433414301200202
6111120204343500154
74165206066555403
oct447573565575746
978855677088377
1020323212131302
116526031472123
12234293675765a
13b45617115782
1450391210b2aa
152539c02a8537
hex127bddd6fbe6

20323212131302 has 32 divisors (see below), whose sum is σ = 30733421241600. Its totient is φ = 10078882164000.

The previous prime is 20323212131281. The next prime is 20323212131303. The reversal of 20323212131302 is 20313121232302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323212131303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2457755224 + ... + 2457763492.

It is an arithmetic number, because the mean of its divisors is an integer number (960419413800).

Almost surely, 220323212131302 is an apocalyptic number.

20323212131302 is a deficient number, since it is larger than the sum of its proper divisors (10410209110298).

20323212131302 is a wasteful number, since it uses less digits than its factorization.

20323212131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15772.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20323212131302 its reverse (20313121232302), we get a palindrome (40636333363604).

The spelling of 20323212131302 in words is "twenty trillion, three hundred twenty-three billion, two hundred twelve million, one hundred thirty-one thousand, three hundred two".

Divisors: 1 2 139 278 1511 3022 5851 8269 11702 16538 210029 420058 813289 1149391 1626578 2298782 8840861 12494459 17681722 24988918 48381919 96763838 1228879679 1736729801 2457759358 3473459602 6725086741 13450173482 73105079609 146210159218 10161606065651 20323212131302