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21302310011030 = 256755931531417
BaseRepresentation
bin1001101011111110101001…
…00111110000000010010110
32210102110222121111200021222
410311333110213300002112
510243004112330323110
6113150051321210342
74326020046331316
oct465772447600226
983373877450258
1021302310011030
116873293718754
1224806446309b2
13bb6a50b49bb9
1453907451d446
1526e1c69a8c55
hex135fd49f0096

21302310011030 has 16 divisors (see below), whose sum is σ = 38344726801440. Its totient is φ = 8520797608512.

The previous prime is 21302310011029. The next prime is 21302310011077. The reversal of 21302310011030 is 3011001320312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15090119 + ... + 16441298.

It is an arithmetic number, because the mean of its divisors is an integer number (2396545425090).

Almost surely, 221302310011030 is an apocalyptic number.

21302310011030 is a deficient number, since it is larger than the sum of its proper divisors (17042416790410).

21302310011030 is a wasteful number, since it uses less digits than its factorization.

21302310011030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31598983.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21302310011030 its reverse (3011001320312), we get a palindrome (24313311331342).

The spelling of 21302310011030 in words is "twenty-one trillion, three hundred two billion, three hundred ten million, eleven thousand, thirty".

Divisors: 1 2 5 10 67559 135118 337795 675590 31531417 63062834 157657085 315314170 2130231001103 4260462002206 10651155005515 21302310011030