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21470620630104 = 23327912293071377
BaseRepresentation
bin1001110000111000001001…
…01101110011110001011000
32211000120102110122000110100
410320130010231303301120
510303233312340130404
6113355244510015400
74344125665102542
oct470340455636130
984016373560410
1021470620630104
116928703675a38
1224a91974a7560
13bc9894aa4ca9
1454327da76692
15273777d4bd39
hex138704b73c58

21470620630104 has 96 divisors (see below), whose sum is σ = 58933601064000. Its totient is φ = 7060528290816.

The previous prime is 21470620630087. The next prime is 21470620630133. The reversal of 21470620630104 is 40103602607412.

21470620630104 is a `hidden beast` number, since 2 + 1 + 4 + 7 + 0 + 6 + 2 + 0 + 630 + 10 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5454864 + ... + 8526240.

It is an arithmetic number, because the mean of its divisors is an integer number (613891677750).

Almost surely, 221470620630104 is an apocalyptic number.

21470620630104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21470620630104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29466800532000).

21470620630104 is an abundant number, since it is smaller than the sum of its proper divisors (37462980433896).

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

21470620630104 is a wasteful number, since it uses less digits than its factorization.

21470620630104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072697 (or 3072690 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 21470620630104 in words is "twenty-one trillion, four hundred seventy billion, six hundred twenty million, six hundred thirty thousand, one hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 79 158 237 316 474 632 711 948 1229 1422 1896 2458 2844 3687 4916 5688 7374 9832 11061 14748 22122 29496 44244 88488 97091 194182 291273 388364 582546 776728 873819 1165092 1747638 2330184 3071377 3495276 6142754 6990552 9214131 12285508 18428262 24571016 27642393 36856524 55284786 73713048 110569572 221139144 242638783 485277566 727916349 970555132 1455832698 1941110264 2183749047 2911665396 3774722333 4367498094 5823330792 7549444666 8734996188 11324166999 15098889332 17469992376 22648333998 30197778664 33972500997 45296667996 67945001994 90593335992 135890003988 271780007976 298203064307 596406128614 894609192921 1192812257228 1789218385842 2385624514456 2683827578763 3578436771684 5367655157526 7156873543368 10735310315052 21470620630104