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131532505411061 = 1095653321345413
BaseRepresentation
bin11101111010000011001100…
…010000101110110111110101
3122020201101101110022101201202
4131322003030100232313311
5114220012032341123221
61143425110535302245
736463624046602346
oct3572031420566765
9566641343271652
10131532505411061
1138a01693293aa7
1212903a69b1a985
135851601138c21
14246a2c88d20cd
1510316e04b5d0b
hex77a0cc42edf5

131532505411061 has 8 divisors (see below), whose sum is σ = 132741579858360. Its totient is φ = 130323473767872.

The previous prime is 131532505411019. The next prime is 131532505411079. The reversal of 131532505411061 is 160114505235131.

It can be written as a sum of positive squares in 4 ways, for example, as 4296790036900 + 127235715374161 = 2072870^2 + 11279881^2 .

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 131532505411061 - 26 = 131532505410997 is a prime.

It is a super-2 number, since 2×1315325054110612 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131532505411861) 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, 4510610 + ... + 16834803.

It is an arithmetic number, because the mean of its divisors is an integer number (16592697482295).

Almost surely, 2131532505411061 is an apocalyptic number.

It is an amenable number.

131532505411061 is a deficient number, since it is larger than the sum of its proper divisors (1209074447299).

131532505411061 is a wasteful number, since it uses less digits than its factorization.

131532505411061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21402055.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 131532505411061 in words is "one hundred thirty-one trillion, five hundred thirty-two billion, five hundred five million, four hundred eleven thousand, sixty-one".

Divisors: 1 109 56533 6162097 21345413 2326650017 1206720233129 131532505411061