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6923347642 = 2191311390789
BaseRepresentation
bin1100111001010100…
…11110011010111010
3122212111111111112001
412130222132122322
5103134334111032
63102555211214
7333365325001
oct63452363272
918774444461
106923347642
112a3305a612
121412746b0a
13864478513
144996c5c38
152a7c273e7
hex19ca9e6ba

6923347642 has 16 divisors (see below), whose sum is σ = 11015056800. Its totient is φ = 3254443920.

The previous prime is 6923347633. The next prime is 6923347663. The reversal of 6923347642 is 2467433296.

It is a junction number, because it is equal to n+sod(n) for n = 6923347592 and 6923347601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 690417 + ... + 700372.

It is an arithmetic number, because the mean of its divisors is an integer number (688441050).

Almost surely, 26923347642 is an apocalyptic number.

6923347642 is a deficient number, since it is larger than the sum of its proper divisors (4091709158).

6923347642 is a wasteful number, since it uses less digits than its factorization.

6923347642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390941.

The product of its digits is 1306368, while the sum is 46.

The square root of 6923347642 is about 83206.6562361450. The cubic root of 6923347642 is about 1905.9231263774.

The spelling of 6923347642 in words is "six billion, nine hundred twenty-three million, three hundred forty-seven thousand, six hundred forty-two".

Divisors: 1 2 19 38 131 262 2489 4978 1390789 2781578 26424991 52849982 182193359 364386718 3461673821 6923347642