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130040253 = 32712716253
BaseRepresentation
bin1111100000001…
…00000110111101
3100001200201200200
413300010012331
5231242242003
620523114113
73136216050
oct760040675
9301621620
10130040253
116744a192
1237672939
1320c30bc5
14133b0a97
15b63a6a3
hex7c041bd

130040253 has 24 divisors (see below), whose sum is σ = 216373248. Its totient is φ = 73719072.

The previous prime is 130040243. The next prime is 130040269. The reversal of 130040253 is 352040031.

It is not a de Polignac number, because 130040253 - 212 = 130036157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130040243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126 + ... + 16127.

It is an arithmetic number, because the mean of its divisors is an integer number (9015552).

Almost surely, 2130040253 is an apocalyptic number.

It is an amenable number.

130040253 is a deficient number, since it is larger than the sum of its proper divisors (86332995).

130040253 is a wasteful number, since it uses less digits than its factorization.

130040253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16393 (or 16390 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 130040253 is about 11403.5193251908. The cubic root of 130040253 is about 506.6319820343.

Adding to 130040253 its reverse (352040031), we get a palindrome (482080284).

The spelling of 130040253 in words is "one hundred thirty million, forty thousand, two hundred fifty-three".

Divisors: 1 3 7 9 21 63 127 381 889 1143 2667 8001 16253 48759 113771 146277 341313 1023939 2064131 6192393 14448917 18577179 43346751 130040253