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8309670450081 = 3711136091454297
BaseRepresentation
bin111100011101011111011…
…1101001001001110100001
31002102101201012222012020020
41320322332331021032201
52042121201113400311
625401224312304053
71515232244261610
oct170727675111641
932371635865206
108309670450081
112714125377840
12b225779a2029
134837a2067280
1420a293c7b877
15e62485d7c06
hex78ebef493a1

8309670450081 has 64 divisors (see below), whose sum is σ = 14878528444416. Its totient is φ = 3983994201600.

The previous prime is 8309670450077. The next prime is 8309670450113. The reversal of 8309670450081 is 1800540769038.

It is not a de Polignac number, because 8309670450081 - 22 = 8309670450077 is a prime.

It is a super-2 number, since 2×83096704500812 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8309670450031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18064125 + ... + 18518421.

It is an arithmetic number, because the mean of its divisors is an integer number (232477006944).

Almost surely, 28309670450081 is an apocalyptic number.

It is an amenable number.

8309670450081 is a deficient number, since it is larger than the sum of its proper divisors (6568857994335).

8309670450081 is a wasteful number, since it uses less digits than its factorization.

8309670450081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460422.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 8309670450081 in words is "eight trillion, three hundred nine billion, six hundred seventy million, four hundred fifty thousand, eighty-one".

Divisors: 1 3 7 11 13 21 33 39 77 91 143 231 273 429 1001 3003 6091 18273 42637 67001 79183 127911 201003 237549 454297 469007 554281 871013 1362891 1407021 1662843 2613039 3180079 4997267 5905861 6097091 9540237 14991801 17717583 18291273 34980869 41341027 64964471 104942607 124023081 194893413 454751297 1364253891 2767123027 8301369081 19369861189 30438353297 35972599351 58109583567 91315059891 107917798053 213068473079 251808195457 395698592861 639205419237 755424586371 1187095778583 2769890150027 8309670450081