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7668231867 = 321137540051
BaseRepresentation
bin1110010010000111…
…11110111010111011
3201210102010112120200
413021003332322323
5111201031404432
63304524453243
7361011616062
oct71103767273
921712115520
107668231867
11328557610a
1215a00aa223
139528a160a
1452a5c51d9
152ed313a7c
hex1c90feebb

7668231867 has 12 divisors (see below), whose sum is σ = 11174357064. Its totient is φ = 5066913600.

The previous prime is 7668231863. The next prime is 7668231887. The reversal of 7668231867 is 7681328667.

It is not a de Polignac number, because 7668231867 - 22 = 7668231863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7668231863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3769009 + ... + 3771042.

It is an arithmetic number, because the mean of its divisors is an integer number (931196422).

Almost surely, 27668231867 is an apocalyptic number.

7668231867 is a deficient number, since it is larger than the sum of its proper divisors (3506125197).

7668231867 is a wasteful number, since it uses less digits than its factorization.

7668231867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7540170 (or 7540167 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 7668231867 is about 87568.4410447051. The cubic root of 7668231867 is about 1971.9614112613.

The spelling of 7668231867 in words is "seven billion, six hundred sixty-eight million, two hundred thirty-one thousand, eight hundred sixty-seven".

Divisors: 1 3 9 113 339 1017 7540051 22620153 67860459 852025763 2556077289 7668231867