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2130012323 = 7329178251
BaseRepresentation
bin111111011110101…
…0110100010100011
312111102222211121022
41332331112202203
513330240343243
6551205320055
7103532543315
oct17675264243
95442884538
102130012323
119a337786a
124b540602b
1327c39862a
14162c5d7b5
15c6ee4b68
hex7ef568a3

2130012323 has 4 divisors (see below), whose sum is σ = 2159190648. Its totient is φ = 2100834000.

The previous prime is 2130012319. The next prime is 2130012373. The reversal of 2130012323 is 3232100312.

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

It is a cyclic number.

It is not a de Polignac number, because 2130012323 - 22 = 2130012319 is a prime.

It is a super-2 number, since 2×21300123232 = 9073904992263712658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130012373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14589053 + ... + 14589198.

It is an arithmetic number, because the mean of its divisors is an integer number (539797662).

Almost surely, 22130012323 is an apocalyptic number.

2130012323 is a deficient number, since it is larger than the sum of its proper divisors (29178325).

2130012323 is an equidigital number, since it uses as much as digits as its factorization.

2130012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29178324.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2130012323 is about 46152.0565413937. The cubic root of 2130012323 is about 1286.6508324971.

Adding to 2130012323 its reverse (3232100312), we get a palindrome (5362112635).

The spelling of 2130012323 in words is "two billion, one hundred thirty million, twelve thousand, three hundred twenty-three".

Divisors: 1 73 29178251 2130012323