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21133104020210 = 2571331749135201
BaseRepresentation
bin1001100111000011011110…
…01010000111101011110010
32202211022020100120202000002
410303201233022013223302
510232221044112121320
6112540225225430002
74310550006205610
oct463415712075362
982738210522002
1021133104020210
11680855430a416
1224538a193b302
13ba3ac6558c40
14530bc20d26b0
15269ac1c00675
hex13386f287af2

21133104020210 has 64 divisors (see below), whose sum is σ = 48328210151424. Its totient is φ = 6472528128000.

The previous prime is 21133104020191. The next prime is 21133104020219. The reversal of 21133104020210 is 1202040133112.

It is not an unprimeable number, because it can be changed into a prime (21133104020219) 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, 374539391 + ... + 374595810.

It is an arithmetic number, because the mean of its divisors is an integer number (755128283616).

Almost surely, 221133104020210 is an apocalyptic number.

21133104020210 is an abundant number, since it is smaller than the sum of its proper divisors (27195106131214).

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

21133104020210 is a wasteful number, since it uses less digits than its factorization.

21133104020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749135259.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21133104020210 its reverse (1202040133112), we get a palindrome (22335144153322).

The spelling of 21133104020210 in words is "twenty-one trillion, one hundred thirty-three billion, one hundred four million, twenty thousand, two hundred ten".

Divisors: 1 2 5 7 10 13 14 26 31 35 62 65 70 91 130 155 182 217 310 403 434 455 806 910 1085 2015 2170 2821 4030 5642 14105 28210 749135201 1498270402 3745676005 5243946407 7491352010 9738757613 10487892814 19477515226 23223191231 26219732035 46446382462 48693788065 52439464070 68171303291 97387576130 116115956155 136342606582 162562338617 232231912310 301901486003 325124677234 340856516455 603802972006 681713032910 812811693085 1509507430015 1625623386170 2113310402021 3019014860030 4226620804042 10566552010105 21133104020210