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1302512130 = 233519253901
BaseRepresentation
bin100110110100010…
…1100001000000010
310100202220110202000
41031220230020002
510131420342010
6333125204430
744164112313
oct11550541002
93322813660
101302512130
11609263707
12304260716
13179b0754a
14c4db660a
15795397c0
hex4da2c202

1302512130 has 64 divisors (see below), whose sum is σ = 3656188800. Its totient is φ = 329054400.

The previous prime is 1302512051. The next prime is 1302512131. The reversal of 1302512130 is 312152031.

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

It is not an unprimeable number, because it can be changed into a prime (1302512131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121821 + ... + 132080.

It is an arithmetic number, because the mean of its divisors is an integer number (57127950).

Almost surely, 21302512130 is an apocalyptic number.

1302512130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1302512130 is an abundant number, since it is smaller than the sum of its proper divisors (2353676670).

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

1302512130 is a wasteful number, since it uses less digits than its factorization.

1302512130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253936 (or 253930 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1302512130 is about 36090.3329161702. The cubic root of 1302512130 is about 1092.0954360498.

Adding to 1302512130 its reverse (312152031), we get a palindrome (1614664161).

The spelling of 1302512130 in words is "one billion, three hundred two million, five hundred twelve thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 27 30 38 45 54 57 90 95 114 135 171 190 270 285 342 513 570 855 1026 1710 2565 5130 253901 507802 761703 1269505 1523406 2285109 2539010 3808515 4570218 4824119 6855327 7617030 9648238 11425545 13710654 14472357 22851090 24120595 28944714 34276635 43417071 48241190 68553270 72361785 86834142 130251213 144723570 217085355 260502426 434170710 651256065 1302512130