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131660240000001 = 391148174255397
BaseRepresentation
bin11101111011111010001001…
…110101100001010000000001
3122021011121002111110211121020
4131323322021311201100001
5114224110132420000001
61144003513531020053
736506065324645626
oct3573721165412001
9567147074424536
10131660240000001
1138a50881117289
1212924777b9a629
13586067988922b
14247256517434d
151034bb94db736
hex77be89d61401

131660240000001 has 8 divisors (see below), whose sum is σ = 175739683691904. Its totient is φ = 87677144820720.

The previous prime is 131660239999913. The next prime is 131660240000021. The reversal of 131660240000001 is 100000042066131.

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

It is not a de Polignac number, because 131660240000001 - 29 = 131660239999489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131660240000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24087124966 + ... + 24087130431.

It is an arithmetic number, because the mean of its divisors is an integer number (21967460461488).

Almost surely, 2131660240000001 is an apocalyptic number.

It is an amenable number.

131660240000001 is a deficient number, since it is larger than the sum of its proper divisors (44079443691903).

131660240000001 is an equidigital number, since it uses as much as digits as its factorization.

131660240000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48174256311.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 131660240000001 its reverse (100000042066131), we get a palindrome (231660282066132).

The spelling of 131660240000001 in words is "one hundred thirty-one trillion, six hundred sixty billion, two hundred forty million, one", and thus it is an aban number.

Divisors: 1 3 911 2733 48174255397 144522766191 43886746666667 131660240000001