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2310232111021 = 4095648489269
BaseRepresentation
bin100001100111100100100…
…100000111011110101101
322011212010001021222022001
4201213210210013132231
5300322323410023041
64525150031452301
7325623463640032
oct41474444073655
98155101258261
102310232111021
1181084488758a
123138a4087091
13139b1419b533
147db5c8d5389
1540163ae8131
hex219e49077ad

2310232111021 has 4 divisors (see below), whose sum is σ = 2315880600700. Its totient is φ = 2304583621344.

The previous prime is 2310232111007. The next prime is 2310232111043. The reversal of 2310232111021 is 1201112320132.

2310232111021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2154404548521 + 155827562500 = 1467789^2 + 394750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2310232111021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2310232111021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2310232111001) 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, 2824244226 + ... + 2824245043.

It is an arithmetic number, because the mean of its divisors is an integer number (578970150175).

Almost surely, 22310232111021 is an apocalyptic number.

It is an amenable number.

2310232111021 is a deficient number, since it is larger than the sum of its proper divisors (5648489679).

2310232111021 is an equidigital number, since it uses as much as digits as its factorization.

2310232111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648489678.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2310232111021 its reverse (1201112320132), we get a palindrome (3511344431153).

The spelling of 2310232111021 in words is "two trillion, three hundred ten billion, two hundred thirty-two million, one hundred eleven thousand, twenty-one".

Divisors: 1 409 5648489269 2310232111021