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130849271 = 799718749
BaseRepresentation
bin1111100110010…
…01100111110111
3100010012211110022
413303021213313
5231444134041
620552315355
73146125520
oct763114767
9303184408
10130849271
1167951aa3
12379a2b5b
1321155207
1413541847
15b74a24b
hex7cc99f7

130849271 has 8 divisors (see below), whose sum is σ = 149700000. Its totient is φ = 112038048.

The previous prime is 130849261. The next prime is 130849273. The reversal of 130849271 is 172948031.

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 130849271 - 214 = 130832887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130849273) 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, 2396 + ... + 16353.

It is an arithmetic number, because the mean of its divisors is an integer number (18712500).

Almost surely, 2130849271 is an apocalyptic number.

130849271 is a deficient number, since it is larger than the sum of its proper divisors (18850729).

130849271 is an equidigital number, since it uses as much as digits as its factorization.

130849271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19753.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 130849271 is about 11438.9366201584. The cubic root of 130849271 is about 507.6804454311.

The spelling of 130849271 in words is "one hundred thirty million, eight hundred forty-nine thousand, two hundred seventy-one".

Divisors: 1 7 997 6979 18749 131243 18692753 130849271