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21301213020010 = 2571123797662339
BaseRepresentation
bin1001101011111100100110…
…01111000011111101101010
32210102101011011022202111221
410311332103033003331222
510242444341013120020
6113145350413012254
74325650626136630
oct465762317037552
983371134282457
1021301213020010
116872880479100
12248039918408a
13bb69077b09a1
14538dac965350
1526e1605196aa
hex135f933c3f6a

21301213020010 has 96 divisors (see below), whose sum is σ = 48178145312640. Its totient is φ = 6637580526720.

The previous prime is 21301213019993. The next prime is 21301213020067. The reversal of 21301213020010 is 1002031210312.

It is a super-2 number, since 2×213012130200102 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31829421 + ... + 32491759.

It is an arithmetic number, because the mean of its divisors is an integer number (501855680340).

Almost surely, 221301213020010 is an apocalyptic number.

21301213020010 is an abundant number, since it is smaller than the sum of its proper divisors (26876932292630).

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

21301213020010 is a wasteful number, since it uses less digits than its factorization.

21301213020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666172 (or 666161 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21301213020010 its reverse (1002031210312), we get a palindrome (22303244230322).

The spelling of 21301213020010 in words is "twenty-one trillion, three hundred one billion, two hundred thirteen million, twenty thousand, ten".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 121 154 242 385 605 770 847 1210 1694 3797 4235 7594 8470 18985 26579 37970 41767 53158 83534 132895 208835 265790 292369 417670 459437 584738 662339 918874 1324678 1461845 2297185 2923690 3216059 3311695 4594370 4636373 6432118 6623390 7285729 9272746 14571458 16080295 23181865 32160590 36428645 46363730 51000103 72857290 80143019 102000206 160286038 255000515 400715095 510001030 561001133 801430190 1122002266 2514901183 2805005665 5029802366 5610011330 12574505915 17604308281 25149011830 27663913013 35208616562 55327826026 88021541405 138319565065 176043082810 193647391091 276639130130 304303043143 387294782182 608606086286 968236955455 1521515215715 1936473910910 2130121302001 3043030431430 4260242604002 10650606510005 21301213020010