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3068842821 = 311223417019
BaseRepresentation
bin1011011011101010…
…1101001101000101
321220212120100221020
42312322231031011
522241110432241
61224303541353
7136022506422
oct26672551505
97825510836
103068842821
111335311040
127178ba859
1339ba39435
14211806d49
1512e641b66
hexb6ead345

3068842821 has 16 divisors (see below), whose sum is σ = 4483799040. Its totient is φ = 1851559920.

The previous prime is 3068842801. The next prime is 3068842823. The reversal of 3068842821 is 1282488603.

It is a happy number.

It is not a de Polignac number, because 3068842821 - 215 = 3068810053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3068842823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201151 + ... + 215868.

It is an arithmetic number, because the mean of its divisors is an integer number (280237440).

Almost surely, 23068842821 is an apocalyptic number.

It is an amenable number.

3068842821 is a deficient number, since it is larger than the sum of its proper divisors (1414956219).

3068842821 is a wasteful number, since it uses less digits than its factorization.

3068842821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417256.

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 3068842821 is about 55397.1372996836. The cubic root of 3068842821 is about 1453.1983022650.

The spelling of 3068842821 in words is "three billion, sixty-eight million, eight hundred forty-two thousand, eight hundred twenty-one".

Divisors: 1 3 11 33 223 669 2453 7359 417019 1251057 4587209 13761627 92995237 278985711 1022947607 3068842821