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6746720872142 = 2191049169251941
BaseRepresentation
bin110001000101101011111…
…1001101010011011001110
3212212222110120121011111002
41202023113321222123032
51341014241020402032
622203222322500302
71264302014126006
oct142132771523316
925788416534432
106746720872142
1121712a5055879
1290b687204692
1339c2a00b47c4
1419478611d006
15ba76eaa6862
hex622d7e6a6ce

6746720872142 has 16 divisors (see below), whose sum is σ = 10662872346000. Its totient is φ = 3192768596160.

The previous prime is 6746720872091. The next prime is 6746720872163. The reversal of 6746720872142 is 2412780276476.

It is a super-2 number, since 2×67467208721422 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84586109 + ... + 84665832.

It is an arithmetic number, because the mean of its divisors is an integer number (666429521625).

Almost surely, 26746720872142 is an apocalyptic number.

6746720872142 is a deficient number, since it is larger than the sum of its proper divisors (3916151473858).

6746720872142 is a wasteful number, since it uses less digits than its factorization.

6746720872142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169253011.

The product of its (nonzero) digits is 12644352, while the sum is 56.

The spelling of 6746720872142 in words is "six trillion, seven hundred forty-six billion, seven hundred twenty million, eight hundred seventy-two thousand, one hundred forty-two".

Divisors: 1 2 19 38 1049 2098 19931 39862 169251941 338503882 3215786879 6431573758 177545286109 355090572218 3373360436071 6746720872142