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130245102 = 232131992797
BaseRepresentation
bin1111100001101…
…10000111101110
3100002002010200200
413300312013232
5231320320402
620531334330
73141031221
oct760660756
9302063620
10130245102
116757a089
12377513a6
1320ca3210
14134255b8
15b67b21c
hex7c361ee

130245102 has 48 divisors (see below), whose sum is σ = 305541600. Its totient is φ = 39859776.

The previous prime is 130245097. The next prime is 130245121. The reversal of 130245102 is 201542031.

130245102 is a `hidden beast` number, since 130 + 24 + 510 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45168 + ... + 47964.

It is an arithmetic number, because the mean of its divisors is an integer number (6365450).

Almost surely, 2130245102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130245102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152770800).

130245102 is an abundant number, since it is smaller than the sum of its proper divisors (175296498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130245102 is a wasteful number, since it uses less digits than its factorization.

130245102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3017 (or 3014 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 130245102 is about 11412.4976232199. The cubic root of 130245102 is about 506.8978704921.

Adding to 130245102 its reverse (201542031), we get a palindrome (331787133).

The spelling of 130245102 in words is "one hundred thirty million, two hundred forty-five thousand, one hundred two".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 199 234 398 597 1194 1791 2587 2797 3582 5174 5594 7761 8391 15522 16782 23283 25173 36361 46566 50346 72722 109083 218166 327249 556603 654498 1113206 1669809 3339618 5009427 7235839 10018854 14471678 21707517 43415034 65122551 130245102