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2130515450 = 252729792657
BaseRepresentation
bin111111011111101…
…0001010111111010
312111110221101202122
41332333101113322
513330402443300
6551224201242
7103540040210
oct17677212772
95443841678
102130515450
119a3690878
124b5609222
1327c51363b
14162d50cb0
15c7093c85
hex7efd15fa

2130515450 has 96 divisors (see below), whose sum is σ = 4746124800. Its totient is φ = 696084480.

The previous prime is 2130515449. The next prime is 2130515483. The reversal of 2130515450 is 545150312.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 800522 + ... + 803178.

It is an arithmetic number, because the mean of its divisors is an integer number (49438800).

Almost surely, 22130515450 is an apocalyptic number.

2130515450 is an abundant number, since it is smaller than the sum of its proper divisors (2615609350).

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

2130515450 is a wasteful number, since it uses less digits than its factorization.

2130515450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784 (or 2779 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2130515450 is about 46157.5069734057. The cubic root of 2130515450 is about 1286.7521304730.

Adding to 2130515450 its reverse (545150312), we get a palindrome (2675665762).

The spelling of 2130515450 in words is "two billion, one hundred thirty million, five hundred fifteen thousand, four hundred fifty".

Divisors: 1 2 5 7 10 14 25 29 35 50 58 70 79 145 158 175 203 290 350 395 406 553 725 790 1015 1106 1450 1975 2030 2291 2657 2765 3950 4582 5075 5314 5530 10150 11455 13285 13825 16037 18599 22910 26570 27650 32074 37198 57275 66425 77053 80185 92995 114550 132850 154106 160370 185990 209903 385265 400925 419806 464975 539371 770530 801850 929950 1049515 1078742 1469321 1926325 2099030 2696855 2938642 3852650 5247575 5393710 6087187 7346605 10495150 12174374 13484275 14693210 26968550 30435935 36733025 42610309 60871870 73466050 85220618 152179675 213051545 304359350 426103090 1065257725 2130515450