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131143441155 = 3564313597039
BaseRepresentation
bin111101000100011000…
…0100001101100000011
3110112111121112002000020
41322020300201230003
54122040210104110
6140125123024523
712321566600016
oct1721060415403
9415447462006
10131143441155
1150688065421
12214bb80b143
13c49ca5542c
1464c12b537d
15362842ad70
hex1e88c21b03

131143441155 has 16 divisors (see below), whose sum is σ = 210155850240. Its totient is φ = 69834387168.

The previous prime is 131143441111. The next prime is 131143441193. The reversal of 131143441155 is 551144341131.

It is not a de Polignac number, because 131143441155 - 28 = 131143440899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6788875 + ... + 6808164.

It is an arithmetic number, because the mean of its divisors is an integer number (13134740640).

Almost surely, 2131143441155 is an apocalyptic number.

131143441155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131143441155 is a deficient number, since it is larger than the sum of its proper divisors (79012409085).

131143441155 is a wasteful number, since it uses less digits than its factorization.

131143441155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13597690.

The product of its digits is 14400, while the sum is 33.

Adding to 131143441155 its reverse (551144341131), we get a palindrome (682287782286).

The spelling of 131143441155 in words is "one hundred thirty-one billion, one hundred forty-three million, four hundred forty-one thousand, one hundred fifty-five".

Divisors: 1 3 5 15 643 1929 3215 9645 13597039 40791117 67985195 203955585 8742896077 26228688231 43714480385 131143441155