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3060639697 = 9091336667
BaseRepresentation
bin1011011001101101…
…1010011111010001
321220022010121100211
42312123122133101
522232010432242
61223412044121
7135563002543
oct26633323721
97808117324
103060639697
1113307189a5
12715003641
1339a12670b
142106ad693
1512da71317
hexb66da7d1

3060639697 has 4 divisors (see below), whose sum is σ = 3060985456. Its totient is φ = 3060293940.

The previous prime is 3060639679. The next prime is 3060639721. The reversal of 3060639697 is 7969360603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3060639697 - 215 = 3060606929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3060639697.

It is not an unprimeable number, because it can be changed into a prime (3060639397) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 159243 + ... + 177424.

It is an arithmetic number, because the mean of its divisors is an integer number (765246364).

Almost surely, 23060639697 is an apocalyptic number.

It is an amenable number.

3060639697 is a deficient number, since it is larger than the sum of its proper divisors (345759).

3060639697 is an equidigital number, since it uses as much as digits as its factorization.

3060639697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345758.

The product of its (nonzero) digits is 1102248, while the sum is 49.

The square root of 3060639697 is about 55323.0485150629. The cubic root of 3060639697 is about 1451.9023302534.

The spelling of 3060639697 in words is "three billion, sixty million, six hundred thirty-nine thousand, six hundred ninety-seven".

Divisors: 1 9091 336667 3060639697