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2231002012 = 22557750503
BaseRepresentation
bin1000010011111010…
…0110001110011100
312202111000122102011
42010332212032130
514032114031022
61005214041004
7106200130021
oct20476461634
95674018364
102231002012
11a45384918
125231a9164
13297297745
1417242b548
15d0ce2977
hex84fa639c

2231002012 has 6 divisors (see below), whose sum is σ = 3904253528. Its totient is φ = 1115501004.

The previous prime is 2231001991. The next prime is 2231002019. The reversal of 2231002012 is 2102001322.

2231002012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22310020123 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231001983 and 2231002001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231002019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278875248 + ... + 278875255.

Almost surely, 22231002012 is an apocalyptic number.

It is an amenable number.

2231002012 is a deficient number, since it is larger than the sum of its proper divisors (1673251516).

2231002012 is a wasteful number, since it uses less digits than its factorization.

2231002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557750507 (or 557750505 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2231002012 is about 47233.4840129330. The cubic root of 2231002012 is about 1306.6722077661.

Adding to 2231002012 its reverse (2102001322), we get a palindrome (4333003334).

The spelling of 2231002012 in words is "two billion, two hundred thirty-one million, two thousand, twelve".

Divisors: 1 2 4 557750503 1115501006 2231002012