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20468857825060 = 22523437913099063
BaseRepresentation
bin1001010011101110001101…
…11111111110011100100100
32200110210200220011211001121
410221313012333332130210
510140330210100400220
6111311132524303324
74211553243542311
oct451670677763444
980423626154047
1020468857825060
116581880690577
1223670030a1b44
13b56288540258
1450a9ab479d08
15257696977eaa
hex129dc6ffe724

20468857825060 has 96 divisors (see below), whose sum is σ = 46477574922240. Its totient is φ = 7552604771712.

The previous prime is 20468857825007. The next prime is 20468857825099. The reversal of 20468857825060 is 6052875886402.

It is a self number, because there is not a number n which added to its sum of digits gives 20468857825060.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4986912 + ... + 8112151.

It is an arithmetic number, because the mean of its divisors is an integer number (484141405440).

Almost surely, 220468857825060 is an apocalyptic number.

20468857825060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20468857825060 is an abundant number, since it is smaller than the sum of its proper divisors (26008717097180).

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

20468857825060 is a wasteful number, since it uses less digits than its factorization.

20468857825060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13099217 (or 13099215 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 61.

The spelling of 20468857825060 in words is "twenty trillion, four hundred sixty-eight billion, eight hundred fifty-seven million, eight hundred twenty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 23 43 46 79 86 92 115 158 172 215 230 316 395 430 460 790 860 989 1580 1817 1978 3397 3634 3956 4945 6794 7268 9085 9890 13588 16985 18170 19780 33970 36340 67940 78131 156262 312524 390655 781310 1562620 13099063 26198126 52396252 65495315 130990630 261981260 301278449 563259709 602556898 1034825977 1126519418 1205113796 1506392245 2069651954 2253038836 2816298545 3012784490 4139303908 5174129885 5632597090 6025568980 10348259770 11265194180 12954973307 20696519540 23800997471 25909946614 44497517011 47601994942 51819893228 64774866535 88995034022 95203989884 119004987355 129549733070 177990068044 222487585055 238009974710 259099466140 444975170110 476019949420 889950340220 1023442891253 2046885782506 4093771565012 5117214456265 10234428912530 20468857825060