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2150531212 = 2217713831163
BaseRepresentation
bin1000000000101110…
…1000000010001100
312112212121022020011
42000023220002030
513401013444322
6553221203004
7104202133204
oct20013500214
95485538204
102150531212
11a03a11a25
12500260464
13283700c9b
14165881404
15c8be9677
hex802e808c

2150531212 has 48 divisors (see below), whose sum is σ = 4054966272. Its totient is φ = 994300160.

The previous prime is 2150531189. The next prime is 2150531237. The reversal of 2150531212 is 2121350512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1848543 + ... + 1849705.

It is an arithmetic number, because the mean of its divisors is an integer number (84478464).

Almost surely, 22150531212 is an apocalyptic number.

It is an amenable number.

2150531212 is a deficient number, since it is larger than the sum of its proper divisors (1904435060).

2150531212 is a wasteful number, since it uses less digits than its factorization.

2150531212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1636 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2150531212 is about 46373.8203300095. The cubic root of 2150531212 is about 1290.7691689146.

Adding to 2150531212 its reverse (2121350512), we get a palindrome (4271881724).

The spelling of 2150531212 in words is "two billion, one hundred fifty million, five hundred thirty-one thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 71 142 284 383 766 1163 1207 1532 2326 2414 4652 4828 6511 13022 19771 26044 27193 39542 54386 79084 82573 108772 165146 330292 445429 462281 890858 924562 1403741 1781716 1849124 2807482 5614964 7572293 15144586 30289172 31625459 63250918 126501836 537632803 1075265606 2150531212