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2520305130 = 235712001453
BaseRepresentation
bin1001011000111000…
…1100110111101010
320111122101202200110
42112032030313222
520130144231010
61054030515150
7116312145240
oct22616146752
96448352613
102520305130
111083712602
125a4065ab6
133121bb715
1419ca18790
15eb3dc120
hex9638cdea

2520305130 has 32 divisors (see below), whose sum is σ = 6912837504. Its totient is φ = 576069696.

The previous prime is 2520305129. The next prime is 2520305147. The reversal of 2520305130 is 315030252.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2520305097 and 2520305106.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6000517 + ... + 6000936.

It is an arithmetic number, because the mean of its divisors is an integer number (216026172).

Almost surely, 22520305130 is an apocalyptic number.

2520305130 is an abundant number, since it is smaller than the sum of its proper divisors (4392532374).

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

2520305130 is a wasteful number, since it uses less digits than its factorization.

2520305130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12001470.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 2520305130 is about 50202.6406675984. The cubic root of 2520305130 is about 1360.8733451176.

Adding to 2520305130 its reverse (315030252), we get a palindrome (2835335382).

The spelling of 2520305130 in words is "two billion, five hundred twenty million, three hundred five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 12001453 24002906 36004359 60007265 72008718 84010171 120014530 168020342 180021795 252030513 360043590 420050855 504061026 840101710 1260152565 2520305130