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130202361 = 3247317971
BaseRepresentation
bin1111100001010…
…11101011111001
3100001222222001200
413300223223321
5231312433421
620530404413
73140462502
oct760535371
9301888050
10130202361
116754aa63
1237730709
1320c89923
1413413ba9
15b66d726
hex7c2baf9

130202361 has 24 divisors (see below), whose sum is σ = 192875904. Its totient is φ = 84599520.

The previous prime is 130202351. The next prime is 130202363. The reversal of 130202361 is 163202031.

130202361 is a `hidden beast` number, since 1 + 302 + 0 + 2 + 361 = 666.

It is not a de Polignac number, because 130202361 - 211 = 130200313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130202363) 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 23 ways as a sum of consecutive naturals, for example, 133606 + ... + 134576.

It is an arithmetic number, because the mean of its divisors is an integer number (8036496).

Almost surely, 2130202361 is an apocalyptic number.

It is an amenable number.

130202361 is a deficient number, since it is larger than the sum of its proper divisors (62673543).

130202361 is a wasteful number, since it uses less digits than its factorization.

130202361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 130202361 is about 11410.6249171551. The cubic root of 130202361 is about 506.8424168593.

Adding to 130202361 its reverse (163202031), we get a palindrome (293404392).

The spelling of 130202361 in words is "one hundred thirty million, two hundred two thousand, three hundred sixty-one".

Divisors: 1 3 9 47 141 317 423 951 971 2853 2913 8739 14899 44697 45637 134091 136911 307807 410733 923421 2770263 14466929 43400787 130202361