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2120310329 = 17124724137
BaseRepresentation
bin111111001100001…
…0101111000111001
312110202201220222012
41332120111320321
513320244412304
6550221335305
7103354224524
oct17630257071
95422656865
102120310329
11998950595
124b2107535
1327a37c5c7
14161855bbb
15c622a16e
hex7e615e39

2120310329 has 4 divisors (see below), whose sum is σ = 2245034484. Its totient is φ = 1995586176.

The previous prime is 2120310319. The next prime is 2120310337. The reversal of 2120310329 is 9230130212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1316020729 + 804289600 = 36277^2 + 28360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120310329 - 216 = 2120244793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120310319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62362052 + ... + 62362085.

It is an arithmetic number, because the mean of its divisors is an integer number (561258621).

Almost surely, 22120310329 is an apocalyptic number.

It is an amenable number.

2120310329 is a deficient number, since it is larger than the sum of its proper divisors (124724155).

2120310329 is a wasteful number, since it uses less digits than its factorization.

2120310329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124724154.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2120310329 is about 46046.8275671625. The cubic root of 2120310329 is about 1284.6943368017.

The spelling of 2120310329 in words is "two billion, one hundred twenty million, three hundred ten thousand, three hundred twenty-nine".

Divisors: 1 17 124724137 2120310329