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2145132310 = 25229936739
BaseRepresentation
bin111111111011100…
…0001111100010110
312112111110000022211
41333313001330112
513343123213220
6552505344034
7104105216026
oct17767017426
95474400284
102145132310
11a00964722
124ba49801a
13282560779
14164c77a86
15c84ceb5a
hex7fdc1f16

2145132310 has 16 divisors (see below), whose sum is σ = 3878103600. Its totient is φ = 854305056.

The previous prime is 2145132293. The next prime is 2145132361. The reversal of 2145132310 is 132315412.

It is a happy number.

It is a super-2 number, since 2×21451323102 = 9203185254811872200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466080 + ... + 470659.

It is an arithmetic number, because the mean of its divisors is an integer number (242381475).

Almost surely, 22145132310 is an apocalyptic number.

2145132310 is a deficient number, since it is larger than the sum of its proper divisors (1732971290).

2145132310 is a wasteful number, since it uses less digits than its factorization.

2145132310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936975.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2145132310 is about 46315.5730829275. The cubic root of 2145132310 is about 1289.6881063970.

Adding to 2145132310 its reverse (132315412), we get a palindrome (2277447722).

The spelling of 2145132310 in words is "two billion, one hundred forty-five million, one hundred thirty-two thousand, three hundred ten".

Divisors: 1 2 5 10 229 458 1145 2290 936739 1873478 4683695 9367390 214513231 429026462 1072566155 2145132310