Search a number
-
+
6630346837 = 197311934007
BaseRepresentation
bin1100010110011001…
…10001000001010101
3122010002011111222101
412023030301001111
5102034332044322
63013531202101
7323210006152
oct61314610125
918102144871
106630346837
1128a2726794
1213505a6331
1381885b46a
1446c815229
1528c14c327
hex18b331055

6630346837 has 16 divisors (see below), whose sum is σ = 7082616960. Its totient is φ = 6188596992.

The previous prime is 6630346787. The next prime is 6630346841. The reversal of 6630346837 is 7386430366.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6630346837 is a prime.

It is a super-2 number, since 2×66303468372 = 87922998357831809138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630346237) 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, 1652688 + ... + 1656694.

It is an arithmetic number, because the mean of its divisors is an integer number (442663560).

Almost surely, 26630346837 is an apocalyptic number.

It is an amenable number.

6630346837 is a deficient number, since it is larger than the sum of its proper divisors (452270123).

6630346837 is a wasteful number, since it uses less digits than its factorization.

6630346837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The square root of 6630346837 is about 81426.9417146438. The cubic root of 6630346837 is about 1878.6480053356.

The spelling of 6630346837 in words is "six billion, six hundred thirty million, three hundred forty-six thousand, eight hundred thirty-seven".

Divisors: 1 19 73 1193 1387 4007 22667 76133 87089 292511 1654691 4780351 5557709 90826669 348965623 6630346837