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21040301414220 = 223511267711908571
BaseRepresentation
bin1001100100010110100111…
…01100010001011101001100
32202111102200210002220012220
410302023103230101131030
510224211014130223340
6112425440411455340
74301053166111244
oct462132354213514
982442623086186
1021040301414220
1167821616a0a30
122439902457550
13b98126c0652a
1452a4dacd2b24
1526748e7c1ed0
hex1322d3b1174c

21040301414220 has 96 divisors (see below), whose sum is σ = 64292570125056. Its totient is φ = 5098773331200.

The previous prime is 21040301414161. The next prime is 21040301414227. The reversal of 21040301414220 is 2241410304012.

It is not an unprimeable number, because it can be changed into a prime (21040301414227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4187466 + ... + 7721105.

It is an arithmetic number, because the mean of its divisors is an integer number (669714272136).

Almost surely, 221040301414220 is an apocalyptic number.

21040301414220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21040301414220 is an abundant number, since it is smaller than the sum of its proper divisors (43252268710836).

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

21040301414220 is a wasteful number, since it uses less digits than its factorization.

21040301414220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911271 (or 11911269 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21040301414220 its reverse (2241410304012), we get a palindrome (23281711718232).

The spelling of 21040301414220 in words is "twenty-one trillion, forty billion, three hundred one million, four hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 2677 5354 8031 10708 13385 16062 26770 29447 32124 40155 53540 58894 80310 88341 117788 147235 160620 176682 294470 353364 441705 588940 883410 1766820 11908571 23817142 35725713 47634284 59542855 71451426 119085710 130994281 142902852 178628565 238171420 261988562 357257130 392982843 523977124 654971405 714514260 785965686 1309942810 1571931372 1964914215 2619885620 3929828430 7859656860 31879244567 63758489134 95637733701 127516978268 159396222835 191275467402 318792445670 350671690237 382550934804 478188668505 637584891340 701343380474 956377337010 1052015070711 1402686760948 1753358451185 1912754674020 2104030141422 3506716902370 4208060282844 5260075353555 7013433804740 10520150707110 21040301414220