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2120211230 = 25714197127
BaseRepresentation
bin111111001011111…
…1101101100011110
312110202112220000212
41332113331230132
513320233224410
6550215252422
7103353332564
oct17627755436
95422486025
102120211230
11998893095
124b207a112
1327a346477
1416182ba34
15c620ab05
hex7e5fdb1e

2120211230 has 32 divisors (see below), whose sum is σ = 3879912960. Its totient is φ = 834027040.

The previous prime is 2120211169. The next prime is 2120211239. The reversal of 2120211230 is 321120212.

It is a happy number.

It is a super-2 number, since 2×21202112302 = 8990591319636225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120211239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293927 + ... + 301053.

It is an arithmetic number, because the mean of its divisors is an integer number (121247280).

Almost surely, 22120211230 is an apocalyptic number.

2120211230 is a deficient number, since it is larger than the sum of its proper divisors (1759701730).

2120211230 is a wasteful number, since it uses less digits than its factorization.

2120211230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7624.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2120211230 is about 46045.7514869722. The cubic root of 2120211230 is about 1284.6743218215.

Adding to 2120211230 its reverse (321120212), we get a palindrome (2441331442).

The spelling of 2120211230 in words is "two billion, one hundred twenty million, two hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 10 71 142 355 419 710 838 2095 4190 7127 14254 29749 35635 59498 71270 148745 297490 506017 1012034 2530085 2986213 5060170 5972426 14931065 29862130 212021123 424042246 1060105615 2120211230