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6480921211 = 13158438467
BaseRepresentation
bin1100000100100101…
…10000001001111011
3121201122222220112221
412002102300021323
5101233103434321
62551032344511
7316413631012
oct60222601173
917648886487
106480921211
112826347036
12130a545137
137c3900b2b
14456a39a79
1527de82e41
hex1824b027b

6480921211 has 8 divisors (see below), whose sum is σ = 6532282944. Its totient is φ = 6429588360.

The previous prime is 6480921197. The next prime is 6480921233. The reversal of 6480921211 is 1121290846.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6480921211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6480921241) 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, 761200 + ... + 769666.

It is an arithmetic number, because the mean of its divisors is an integer number (816535368).

Almost surely, 26480921211 is an apocalyptic number.

6480921211 is a deficient number, since it is larger than the sum of its proper divisors (51361733).

6480921211 is a wasteful number, since it uses less digits than its factorization.

6480921211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14441.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 6480921211 is about 80504.1689044735. The cubic root of 6480921211 is about 1864.4278455826.

The spelling of 6480921211 in words is "six billion, four hundred eighty million, nine hundred twenty-one thousand, two hundred eleven".

Divisors: 1 131 5843 8467 765433 1109177 49472681 6480921211