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131409535071 = 3281155883197
BaseRepresentation
bin111101001100010011…
…1100110000001011111
3110120012011020001020110
41322120213212001133
54123111320110241
6140211350221103
712331310422023
oct1723047460137
9416164201213
10131409535071
1150804290751
1221574954793
13c512c11359
146508780383
15364198d816
hex1e989e605f

131409535071 has 8 divisors (see below), whose sum is σ = 175836247344. Its totient is φ = 87294589760.

The previous prime is 131409535027. The next prime is 131409535079. The reversal of 131409535071 is 170535904131.

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

It is a cyclic number.

It is not a de Polignac number, because 131409535071 - 223 = 131401146463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131409535079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77940756 + ... + 77942441.

It is an arithmetic number, because the mean of its divisors is an integer number (21979530918).

Almost surely, 2131409535071 is an apocalyptic number.

131409535071 is a deficient number, since it is larger than the sum of its proper divisors (44426712273).

131409535071 is a wasteful number, since it uses less digits than its factorization.

131409535071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155883481.

The product of its (nonzero) digits is 56700, while the sum is 39.

The spelling of 131409535071 in words is "one hundred thirty-one billion, four hundred nine million, five hundred thirty-five thousand, seventy-one".

Divisors: 1 3 281 843 155883197 467649591 43803178357 131409535071