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130271984869 = 1388589113117
BaseRepresentation
bin111100101010011010…
…0001011110011100101
3110110020212201111201111
41321110310023303211
54113244112003434
6135502432425021
712261155413105
oct1712464136345
9413225644644
10130271984869
1150280159414
12212b79a8171
13c391343c20
14643b669205
1535c6b8b964
hex1e54d0bce5

130271984869 has 8 divisors (see below), whose sum is σ = 140295730680. Its totient is φ = 120248642496.

The previous prime is 130271984819. The next prime is 130271984881. The reversal of 130271984869 is 968489172031.

It can be written as a sum of positive squares in 4 ways, for example, as 9958044100 + 120313940769 = 99790^2 + 346863^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130271984869 is a prime.

It is a super-2 number, since 2×1302719848692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130271984809) 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, 1095099 + ... + 1208215.

It is an arithmetic number, because the mean of its divisors is an integer number (17536966335).

Almost surely, 2130271984869 is an apocalyptic number.

It is an amenable number.

130271984869 is a deficient number, since it is larger than the sum of its proper divisors (10023745811).

130271984869 is a wasteful number, since it uses less digits than its factorization.

130271984869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201719.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The spelling of 130271984869 in words is "one hundred thirty billion, two hundred seventy-one million, nine hundred eighty-four thousand, eight hundred sixty-nine".

Divisors: 1 13 88589 113117 1151657 1470521 10020921913 130271984869