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130331132989 = 163799577503
BaseRepresentation
bin111100101100001010…
…1110100010000111101
3110110102000000112200121
41321120111310100331
54113404232223424
6135512344254541
712262504231441
oct1713025642075
9413360015617
10130331132989
1150300588262
1221313771451
13c3a0683205
146445464821
1535cbe71ee4
hex1e5857443d

130331132989 has 4 divisors (see below), whose sum is σ = 131130710656. Its totient is φ = 129531555324.

The previous prime is 130331132969. The next prime is 130331132999. The reversal of 130331132989 is 989231133031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 989231133031 = 1907535185927.

It is a cyclic number.

It is not a de Polignac number, because 130331132989 - 219 = 130330608701 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 (130331132969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399788589 + ... + 399788914.

It is an arithmetic number, because the mean of its divisors is an integer number (32782677664).

Almost surely, 2130331132989 is an apocalyptic number.

It is an amenable number.

130331132989 is a deficient number, since it is larger than the sum of its proper divisors (799577667).

130331132989 is an equidigital number, since it uses as much as digits as its factorization.

130331132989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799577666.

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 130331132989 in words is "one hundred thirty billion, three hundred thirty-one million, one hundred thirty-two thousand, nine hundred eighty-nine".

Divisors: 1 163 799577503 130331132989