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130002871 = 3124117401
BaseRepresentation
bin1111011111110…
…10111110110111
3100001121211102011
413233322332313
5231240042441
620522225051
73136002055
oct757727667
9301554364
10130002871
1167424099
1237655187
1320c19b9b
14133a11d5
15b62e581
hex7bfafb7

130002871 has 8 divisors (see below), whose sum is σ = 134761088. Its totient is φ = 125280000.

The previous prime is 130002863. The next prime is 130002881. The reversal of 130002871 is 178200031.

130002871 is nontrivially palindromic in base 16.

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 130002871 - 23 = 130002863 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 (130002881) 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, 1230 + ... + 16171.

It is an arithmetic number, because the mean of its divisors is an integer number (16845136).

Almost surely, 2130002871 is an apocalyptic number.

130002871 is a deficient number, since it is larger than the sum of its proper divisors (4758217).

130002871 is a wasteful number, since it uses less digits than its factorization.

130002871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17673.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 130002871 is about 11401.8801519749. The cubic root of 130002871 is about 506.5834310886.

The spelling of 130002871 in words is "one hundred thirty million, two thousand, eight hundred seventy-one".

Divisors: 1 31 241 7471 17401 539431 4193641 130002871