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6851147901 = 313315666789
BaseRepresentation
bin1100110000101110…
…00011100001111101
3122200110122101002120
412120113003201331
5103012343213101
63051455513153
7331530540063
oct63027034175
918613571076
106851147901
1129a6326904
1213b25287b9
13852519690
1448dc90033
152a1714b36
hex1985c387d

6851147901 has 16 divisors (see below), whose sum is σ = 10154887680. Its totient is φ = 4080087360.

The previous prime is 6851147881. The next prime is 6851147939. The reversal of 6851147901 is 1097411586.

6851147901 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6851147901 - 25 = 6851147869 is a prime.

It is a super-2 number, since 2×68511479012 = 93876455122753411602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6851147971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2832186 + ... + 2834603.

It is an arithmetic number, because the mean of its divisors is an integer number (634680480).

Almost surely, 26851147901 is an apocalyptic number.

It is an amenable number.

6851147901 is a deficient number, since it is larger than the sum of its proper divisors (3303739779).

6851147901 is a wasteful number, since it uses less digits than its factorization.

6851147901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666836.

The product of its (nonzero) digits is 60480, while the sum is 42.

The square root of 6851147901 is about 82771.6612192845. The cubic root of 6851147901 is about 1899.2746909293.

The spelling of 6851147901 in words is "six billion, eight hundred fifty-one million, one hundred forty-seven thousand, nine hundred one".

Divisors: 1 3 13 31 39 93 403 1209 5666789 17000367 73668257 175670459 221004771 527011377 2283715967 6851147901