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7561650006 = 232420091667
BaseRepresentation
bin1110000101011010…
…11001111101010110
3201111222120121202100
413002231121331112
5110441240300011
63250200222530
7355245651561
oct70255317526
921458517670
107561650006
113230399629
12157046aa46
13936795021
1451a39d4d8
152e3cadd56
hex1c2b59f56

7561650006 has 12 divisors (see below), whose sum is σ = 16383575052. Its totient is φ = 2520549996.

The previous prime is 7561649971. The next prime is 7561650043. The reversal of 7561650006 is 6000561657.

It is a happy number.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 210045816 + ... + 210045851.

It is an arithmetic number, because the mean of its divisors is an integer number (1365297921).

Almost surely, 27561650006 is an apocalyptic number.

7561650006 is an abundant number, since it is smaller than the sum of its proper divisors (8821925046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7561650006 is a wasteful number, since it uses less digits than its factorization.

7561650006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420091675 (or 420091672 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 7561650006 is about 86957.7483954133. The cubic root of 7561650006 is about 1962.7825608863.

The spelling of 7561650006 in words is "seven billion, five hundred sixty-one million, six hundred fifty thousand, six".

Divisors: 1 2 3 6 9 18 420091667 840183334 1260275001 2520550002 3780825003 7561650006