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130989083 = 731794371
BaseRepresentation
bin1111100111010…
…11110000011011
3100010110221020112
413303223300123
5232013122313
620555314535
73150250241
oct763536033
9303427215
10130989083
1167a38045
1237a4ba4b
13211a3a44
141357a791
15b7768a8
hex7cebc1b

130989083 has 4 divisors (see below), whose sum is σ = 132783528. Its totient is φ = 129194640.

The previous prime is 130989077. The next prime is 130989101. The reversal of 130989083 is 380989031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 380989031 = 1798921179.

It is a cyclic number.

It is not a de Polignac number, because 130989083 - 28 = 130988827 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 130989083.

It is not an unprimeable number, because it can be changed into a prime (130989073) 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 3 ways as a sum of consecutive naturals, for example, 897113 + ... + 897258.

It is an arithmetic number, because the mean of its divisors is an integer number (33195882).

Almost surely, 2130989083 is an apocalyptic number.

130989083 is a deficient number, since it is larger than the sum of its proper divisors (1794445).

130989083 is an equidigital number, since it uses as much as digits as its factorization.

130989083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794444.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 130989083 is about 11445.0462209639. The cubic root of 130989083 is about 507.8611993431.

The spelling of 130989083 in words is "one hundred thirty million, nine hundred eighty-nine thousand, eighty-three".

Divisors: 1 73 1794371 130989083