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2120211213 = 32273310927
BaseRepresentation
bin111111001011111…
…1101101100001101
312110202112220000020
41332113331230031
513320233224323
6550215252353
7103353332541
oct17627755415
95422486006
102120211213
1199889307a
124b207a0b9
1327a346463
1416182ba21
15c620aae3
hex7e5fdb0d

2120211213 has 8 divisors (see below), whose sum is σ = 2828201088. Its totient is φ = 1412847744.

The previous prime is 2120211169. The next prime is 2120211239. The reversal of 2120211213 is 3121120212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2120211213 - 220 = 2119162637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120211192 and 2120211201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120211263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148645 + ... + 162282.

It is an arithmetic number, because the mean of its divisors is an integer number (353525136).

Almost surely, 22120211213 is an apocalyptic number.

It is an amenable number.

2120211213 is a deficient number, since it is larger than the sum of its proper divisors (707989875).

2120211213 is a wasteful number, since it uses less digits than its factorization.

2120211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313203.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2120211213 is about 46045.7513023732. The cubic root of 2120211213 is about 1284.6743183880.

Adding to 2120211213 its reverse (3121120212), we get a palindrome (5241331425).

The spelling of 2120211213 in words is "two billion, one hundred twenty million, two hundred eleven thousand, two hundred thirteen".

Divisors: 1 3 2273 6819 310927 932781 706737071 2120211213