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130629071 = 1731247873
BaseRepresentation
bin1111100100100…
…11110111001111
3100002210122101202
413302103313033
5231420112241
620543500115
73144220526
oct762236717
9302718352
10130629071
1167811611
12378b763b
13210a8c11
14134c54bd
15b704d9b
hex7c93dcf

130629071 has 8 divisors (see below), whose sum is σ = 142775424. Its totient is φ = 118978560.

The previous prime is 130629001. The next prime is 130629101. The reversal of 130629071 is 170926031.

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 130629071 - 214 = 130612687 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 (130629001) 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, 123410 + ... + 124463.

It is an arithmetic number, because the mean of its divisors is an integer number (17846928).

Almost surely, 2130629071 is an apocalyptic number.

130629071 is a deficient number, since it is larger than the sum of its proper divisors (12146353).

130629071 is a wasteful number, since it uses less digits than its factorization.

130629071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247921.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 130629071 is about 11429.3075468289. The cubic root of 130629071 is about 507.3955017925.

The spelling of 130629071 in words is "one hundred thirty million, six hundred twenty-nine thousand, seventy-one".

Divisors: 1 17 31 527 247873 4213841 7684063 130629071