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130100989 = 2914930109
BaseRepresentation
bin1111100000100…
…10111011111101
3100001210211000011
413300102323331
5231301212424
620524303221
73136561114
oct760227375
9301724004
10130100989
1167490887
12376a1b11
1320c52745
14133c8c7b
15b64d694
hex7c12efd

130100989 has 8 divisors (see below), whose sum is σ = 135495000. Its totient is φ = 124767552.

The previous prime is 130100981. The next prime is 130101053. The reversal of 130100989 is 989001031.

It can be written as a sum of positive squares in 4 ways, for example, as 1664100 + 128436889 = 1290^2 + 11333^2 .

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 130100989 - 23 = 130100981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130100989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130100981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10734 + ... + 19375.

It is an arithmetic number, because the mean of its divisors is an integer number (16936875).

Almost surely, 2130100989 is an apocalyptic number.

It is an amenable number.

130100989 is a deficient number, since it is larger than the sum of its proper divisors (5394011).

130100989 is a wasteful number, since it uses less digits than its factorization.

130100989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30287.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 130100989 is about 11406.1820518524. The cubic root of 130100989 is about 506.7108448224.

The spelling of 130100989 in words is "one hundred thirty million, one hundred thousand, nine hundred eighty-nine".

Divisors: 1 29 149 4321 30109 873161 4486241 130100989