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6920861347010 = 2513222691804841
BaseRepresentation
bin110010010110110001101…
…1110110110110011000010
3220111121221201121212100102
41210231203132312303002
51401342411001101020
622415222205322402
71313005252546322
oct144554336666302
926447851555312
106920861347010
112229136892aa6
12939386566402
133b2832aa5800
1419cd85a35282
15c0062b74475
hex64b637b6cc2

6920861347010 has 48 divisors (see below), whose sum is σ = 13495489473960. Its totient is φ = 2554267322880.

The previous prime is 6920861346989. The next prime is 6920861347039. The reversal of 6920861347010 is 107431680296.

It is a Cunningham number, because it is equal to 26307532+1.

It can be written as a sum of positive squares in 12 ways, for example, as 3002904286321 + 3917957060689 = 1732889^2 + 1979383^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2932190 + ... + 4737030.

Almost surely, 26920861347010 is an apocalyptic number.

6920861347010 is a deficient number, since it is larger than the sum of its proper divisors (6574628126950).

6920861347010 is a wasteful number, since it uses less digits than its factorization.

6920861347010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807143 (or 1807130 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 6920861347010 in words is "six trillion, nine hundred twenty billion, eight hundred sixty-one million, three hundred forty-seven thousand, ten".

Divisors: 1 2 5 10 13 26 65 130 169 338 845 1690 2269 4538 11345 22690 29497 58994 147485 294970 383461 766922 1804841 1917305 3609682 3834610 9024205 18048410 23462933 46925866 117314665 234629330 305018129 610036258 1525090645 3050181290 4095184229 8190368458 20475921145 40951842290 53237394977 106474789954 266186974885 532373949770 692086134701 1384172269402 3460430673505 6920861347010