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2132102660 = 225106605133
BaseRepresentation
bin111111100010101…
…0100111000000100
312111120221001000012
41333011110320010
513331304241120
6551322205352
7103556400512
oct17705247004
95446831005
102132102660
119a4575316
124b6053858
1327c94ac0c
141632454b2
15c72a91c5
hex7f154e04

2132102660 has 12 divisors (see below), whose sum is σ = 4477415628. Its totient is φ = 852841056.

The previous prime is 2132102629. The next prime is 2132102671. The reversal of 2132102660 is 662012312.

It can be written as a sum of positive squares in 2 ways, for example, as 1671828544 + 460274116 = 40888^2 + 21454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53302547 + ... + 53302586.

It is an arithmetic number, because the mean of its divisors is an integer number (373117969).

Almost surely, 22132102660 is an apocalyptic number.

2132102660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132102660 is an abundant number, since it is smaller than the sum of its proper divisors (2345312968).

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

2132102660 is a wasteful number, since it uses less digits than its factorization.

2132102660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106605142 (or 106605140 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2132102660 is about 46174.6971836308. The cubic root of 2132102660 is about 1287.0715897669.

Adding to 2132102660 its reverse (662012312), we get a palindrome (2794114972).

The spelling of 2132102660 in words is "two billion, one hundred thirty-two million, one hundred two thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 106605133 213210266 426420532 533025665 1066051330 2132102660