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2312023021 = 71130026273
BaseRepresentation
bin1000100111001110…
…1010101111101101
312222010110221100021
42021303222233231
514213334214041
61021230402141
7111202604620
oct21163525755
95863427307
102312023021
11a87093130
12546360351
132aacc4779
1417d0bbdb7
15d7e98cd1
hex89ceabed

2312023021 has 8 divisors (see below), whose sum is σ = 2882522304. Its totient is φ = 1801576320.

The previous prime is 2312023003. The next prime is 2312023027. The reversal of 2312023021 is 1203202132.

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

It is a cyclic number.

It is not a de Polignac number, because 2312023021 - 217 = 2311891949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2312022986 and 2312023004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312023027) 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 7 ways as a sum of consecutive naturals, for example, 15013060 + ... + 15013213.

It is an arithmetic number, because the mean of its divisors is an integer number (360315288).

Almost surely, 22312023021 is an apocalyptic number.

It is an amenable number.

2312023021 is a deficient number, since it is larger than the sum of its proper divisors (570499283).

2312023021 is a wasteful number, since it uses less digits than its factorization.

2312023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30026291.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2312023021 is about 48083.5005069306. The cubic root of 2312023021 is about 1322.3021924627.

Adding to 2312023021 its reverse (1203202132), we get a palindrome (3515225153).

The spelling of 2312023021 in words is "two billion, three hundred twelve million, twenty-three thousand, twenty-one".

Divisors: 1 7 11 77 30026273 210183911 330289003 2312023021