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6985784242 = 214923442229
BaseRepresentation
bin1101000000110001…
…01001101110110010
3200000211222121102201
412200120221232302
5103301330043432
63113105333414
7335054120623
oct64030515662
920024877381
106985784242
112a65325108
12142b63726a
13874399558
144a3ad9a4a
152ad45bee7
hex1a0629bb2

6985784242 has 8 divisors (see below), whose sum is σ = 10549003500. Its totient is φ = 3469449744.

The previous prime is 6985784203. The next prime is 6985784263. The reversal of 6985784242 is 2424875896.

It can be written as a sum of positive squares in 2 ways, for example, as 6927399361 + 58384881 = 83231^2 + 7641^2 .

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

It is a super-3 number, since 3×69857842423 (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11720817 + ... + 11721412.

Almost surely, 26985784242 is an apocalyptic number.

6985784242 is a deficient number, since it is larger than the sum of its proper divisors (3563219258).

6985784242 is a wasteful number, since it uses less digits than its factorization.

6985784242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23442380.

The product of its digits is 7741440, while the sum is 55.

The square root of 6985784242 is about 83581.0040738923. The cubic root of 6985784242 is about 1911.6353639089.

The spelling of 6985784242 in words is "six billion, nine hundred eighty-five million, seven hundred eighty-four thousand, two hundred forty-two".

Divisors: 1 2 149 298 23442229 46884458 3492892121 6985784242