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130505510 = 2529450019
BaseRepresentation
bin1111100011101…
…01101100100110
3100002120100220102
413301311230212
5231402134020
620541104102
73143164352
oct761655446
9302510812
10130505510
11677377a3
1237858032
13210648c5
1413492462
15b6cd475
hex7c75b26

130505510 has 16 divisors (see below), whose sum is σ = 243010800. Its totient is φ = 50402016.

The previous prime is 130505489. The next prime is 130505513. The reversal of 130505510 is 15505031.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130505513) 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, 224720 + ... + 225299.

It is an arithmetic number, because the mean of its divisors is an integer number (15188175).

Almost surely, 2130505510 is an apocalyptic number.

130505510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130505510 is a deficient number, since it is larger than the sum of its proper divisors (112505290).

130505510 is a wasteful number, since it uses less digits than its factorization.

130505510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450055.

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 130505510 is about 11423.9008223986. The cubic root of 130505510 is about 507.2354708671.

The spelling of 130505510 in words is "one hundred thirty million, five hundred five thousand, five hundred ten".

Divisors: 1 2 5 10 29 58 145 290 450019 900038 2250095 4500190 13050551 26101102 65252755 130505510