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130261666772 = 2232565416693
BaseRepresentation
bin111100101010000110…
…0110100101111010100
3110110020011022021221202
41321110030310233110
54113233441314042
6135501423332032
712261001620146
oct1712414645724
9413204267852
10130261666772
1150275351266
12212b4451018
13c38c170643
14643a140c96
1535c5cee632
hex1e54334bd4

130261666772 has 6 divisors (see below), whose sum is σ = 227957916858. Its totient is φ = 65130833384.

The previous prime is 130261666771. The next prime is 130261666789. The reversal of 130261666772 is 277666162031.

130261666772 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 66416505796 + 63845160976 = 257714^2 + 252676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130261666771) 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 as a sum of consecutive naturals, namely, 16282708343 + ... + 16282708350.

It is an arithmetic number, because the mean of its divisors is an integer number (37992986143).

Almost surely, 2130261666772 is an apocalyptic number.

It is an amenable number.

130261666772 is a deficient number, since it is larger than the sum of its proper divisors (97696250086).

130261666772 is a wasteful number, since it uses less digits than its factorization.

130261666772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32565416697 (or 32565416695 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 130261666772 in words is "one hundred thirty billion, two hundred sixty-one million, six hundred sixty-six thousand, seven hundred seventy-two".

Divisors: 1 2 4 32565416693 65130833386 130261666772