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1680818006 = 27120058429
BaseRepresentation
bin110010000101111…
…0011111101010110
311100010202101211202
41210023303331112
511420242134011
6434441432502
756436501020
oct14413637526
94303671752
101680818006
1179286149a
123aaa9b732
1320a2c158a
1411d331010
159c86523b
hex642f3f56

1680818006 has 8 divisors (see below), whose sum is σ = 2881402320. Its totient is φ = 720350568.

The previous prime is 1680817997. The next prime is 1680818011. The reversal of 1680818006 is 6008180861.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60029201 + ... + 60029228.

It is an arithmetic number, because the mean of its divisors is an integer number (360175290).

Almost surely, 21680818006 is an apocalyptic number.

1680818006 is a deficient number, since it is larger than the sum of its proper divisors (1200584314).

1680818006 is a wasteful number, since it uses less digits than its factorization.

1680818006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120058438.

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 1680818006 is about 40997.7805009003. The cubic root of 1680818006 is about 1188.9773022547.

Adding to 1680818006 its reverse (6008180861), we get a palindrome (7688998867).

The spelling of 1680818006 in words is "one billion, six hundred eighty million, eight hundred eighteen thousand, six".

Divisors: 1 2 7 14 120058429 240116858 840409003 1680818006