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6480691936 = 25445745439
BaseRepresentation
bin1100000100100011…
…11000001011100000
3121201122120021001021
412002101320023200
5101233024120221
62551023415224
7316411654405
oct60221701340
917648507037
106480691936
1128261aa854
12130a454514
137c3850674
144569ba2ac
1527de3a041
hex1824782e0

6480691936 has 24 divisors (see below), whose sum is σ = 12762005760. Its totient is φ = 3239547648.

The previous prime is 6480691883. The next prime is 6480691939. The reversal of 6480691936 is 6391960846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480691939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119905 + ... + 165343.

It is an arithmetic number, because the mean of its divisors is an integer number (531750240).

Almost surely, 26480691936 is an apocalyptic number.

It is an amenable number.

6480691936 is a deficient number, since it is larger than the sum of its proper divisors (6281313824).

6480691936 is a wasteful number, since it uses less digits than its factorization.

6480691936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49906 (or 49898 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 52.

The square root of 6480691936 is about 80502.7448973015. The cubic root of 6480691936 is about 1864.4058594214.

The spelling of 6480691936 in words is "six billion, four hundred eighty million, six hundred ninety-one thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 32 4457 8914 17828 35656 45439 71312 90878 142624 181756 363512 727024 1454048 202521623 405043246 810086492 1620172984 3240345968 6480691936