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2135210210 = 257263115981
BaseRepresentation
bin111111101000100…
…1011100011100010
312111210202220202122
41333101023203202
513333103211320
6551512544242
7103624662440
oct17721134342
95453686678
102135210210
119a62a8041
124b70b2082
132804984c3
14163813b90
15c76bed25
hex7f44b8e2

2135210210 has 32 divisors (see below), whose sum is σ = 4409171712. Its totient is φ = 729282240.

The previous prime is 2135210197. The next prime is 2135210257. The reversal of 2135210210 is 120125312.

It is a happy number.

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, 39581 + ... + 76400.

It is an arithmetic number, because the mean of its divisors is an integer number (137786616).

Almost surely, 22135210210 is an apocalyptic number.

2135210210 is an abundant number, since it is smaller than the sum of its proper divisors (2273961502).

2135210210 is a wasteful number, since it uses less digits than its factorization.

2135210210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116258.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2135210210 is about 46208.3348542230. The cubic root of 2135210210 is about 1287.6965905859.

Adding to 2135210210 its reverse (120125312), we get a palindrome (2255335522).

The spelling of 2135210210 in words is "two billion, one hundred thirty-five million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 263 526 1315 1841 2630 3682 9205 18410 115981 231962 579905 811867 1159810 1623734 4059335 8118670 30503003 61006006 152515015 213521021 305030030 427042042 1067605105 2135210210