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130133311987 = 718590473141
BaseRepresentation
bin111100100110010001…
…1001100000111110011
3110102220012210012021211
41321030203030013303
54113003111440422
6135441000300551
712254552621020
oct1711443140763
9412805705254
10130133311987
1150209953428
1221279471757
13c36b6ac973
14642708c547
1535b98e8577
hex1e4c8cc1f3

130133311987 has 4 divisors (see below), whose sum is σ = 148723785136. Its totient is φ = 111542838840.

The previous prime is 130133311981. The next prime is 130133311993. The reversal of 130133311987 is 789113331031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789113331031 = 4049194890919.

It is an interprime number because it is at equal distance from previous prime (130133311981) and next prime (130133311993).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130133311987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130133311981) 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, 9295236564 + ... + 9295236577.

It is an arithmetic number, because the mean of its divisors is an integer number (37180946284).

Almost surely, 2130133311987 is an apocalyptic number.

130133311987 is a deficient number, since it is larger than the sum of its proper divisors (18590473149).

130133311987 is an equidigital number, since it uses as much as digits as its factorization.

130133311987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18590473148.

The product of its (nonzero) digits is 40824, while the sum is 40.

The spelling of 130133311987 in words is "one hundred thirty billion, one hundred thirty-three million, three hundred eleven thousand, nine hundred eighty-seven".

Divisors: 1 7 18590473141 130133311987