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6940573149 = 34552350821
BaseRepresentation
bin1100111011011000…
…01011110111011101
3122220200220122110210
412131230023313131
5103203241320044
63104412323033
7333664620066
oct63554136735
918820818423
106940573149
112a41855374
121418473479
13867bc9b23
1449bacb56d
152a94cb1b9
hex19db0bddd

6940573149 has 8 divisors (see below), whose sum is σ = 9254482912. Its totient is φ = 4626856080.

The previous prime is 6940573139. The next prime is 6940573163. The reversal of 6940573149 is 9413750496.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6940573149 - 219 = 6940048861 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6940573098 and 6940573107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940573139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111159 + ... + 161979.

It is an arithmetic number, because the mean of its divisors is an integer number (1156810364).

Almost surely, 26940573149 is an apocalyptic number.

It is an amenable number.

6940573149 is a deficient number, since it is larger than the sum of its proper divisors (2313909763).

6940573149 is a wasteful number, since it uses less digits than its factorization.

6940573149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96347.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 6940573149 is about 83310.1023225875. The cubic root of 6940573149 is about 1907.5024828611.

The spelling of 6940573149 in words is "six billion, nine hundred forty million, five hundred seventy-three thousand, one hundred forty-nine".

Divisors: 1 3 45523 50821 136569 152463 2313524383 6940573149