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3220051345 = 571743127991
BaseRepresentation
bin1011111111101110…
…0001010110010001
322022102002120000221
42333323201112101
523043313120340
61251304513041
7142536661540
oct27773412621
98272076027
103220051345
1114026a9265
1275a47b781
133c416c434
14227928157
1513ca5e44a
hexbfee1591

3220051345 has 64 divisors (see below), whose sum is σ = 4827119616. Its totient is φ = 2011806720.

The previous prime is 3220051339. The next prime is 3220051381. The reversal of 3220051345 is 5431500223.

It is not a de Polignac number, because 3220051345 - 217 = 3219920273 is a prime.

It is a Duffinian number.

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 63 ways as a sum of consecutive naturals, for example, 3248800 + ... + 3249790.

It is an arithmetic number, because the mean of its divisors is an integer number (75423744).

Almost surely, 23220051345 is an apocalyptic number.

3220051345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3220051345 is a deficient number, since it is larger than the sum of its proper divisors (1607068271).

3220051345 is a wasteful number, since it uses less digits than its factorization.

3220051345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3220051345 is about 56745.4962530067. The cubic root of 3220051345 is about 1476.6841007464.

Adding to 3220051345 its reverse (5431500223), we get a palindrome (8651551568).

The spelling of 3220051345 in words is "three billion, two hundred twenty million, fifty-one thousand, three hundred forty-five".

Divisors: 1 5 7 17 35 43 85 119 127 215 301 595 635 731 889 991 1505 2159 3655 4445 4955 5117 5461 6937 10795 15113 16847 25585 27305 34685 38227 42613 75565 84235 92837 117929 125857 191135 213065 298291 464185 589645 629285 649859 724421 880999 1491455 2139569 3249295 3622105 4404995 5070947 5411851 10697845 14976983 25354735 27059255 37882957 74884915 92001467 189414785 460007335 644010269 3220051345