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130788161 = 749138053
BaseRepresentation
bin1111100101110…
…10101101000001
3100010002201121222
413302322231001
5231440210121
620551124425
73145452410
oct762725501
9303081558
10130788161
1167910099
1237973715
132113345a
1413527477
15b7370ab
hex7cbab41

130788161 has 8 divisors (see below), whose sum is σ = 149780544. Its totient is φ = 111872880.

The previous prime is 130788149. The next prime is 130788181. The reversal of 130788161 is 161887031.

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

It is not a de Polignac number, because 130788161 - 214 = 130771777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130788131) 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, 15590 + ... + 22463.

It is an arithmetic number, because the mean of its divisors is an integer number (18722568).

Almost surely, 2130788161 is an apocalyptic number.

It is an amenable number.

130788161 is a deficient number, since it is larger than the sum of its proper divisors (18992383).

130788161 is an equidigital number, since it uses as much as digits as its factorization.

130788161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38551.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 130788161 is about 11436.2651683143. The cubic root of 130788161 is about 507.6013998168.

The spelling of 130788161 in words is "one hundred thirty million, seven hundred eighty-eight thousand, one hundred sixty-one".

Divisors: 1 7 491 3437 38053 266371 18684023 130788161