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3101223012 = 223318336621
BaseRepresentation
bin1011100011011000…
…1110100001100100
322000010111110012120
42320312032201210
522322403114022
61231421545540
7136564650336
oct27066164144
98003443176
103101223012
111351617828
127267152b0
133a5665904
14215c35456
151323dad5c
hexb8d8e864

3101223012 has 24 divisors (see below), whose sum is σ = 7469613312. Its totient is φ = 1000394400.

The previous prime is 3101223001. The next prime is 3101223017. The reversal of 3101223012 is 2103221013.

It is a junction number, because it is equal to n+sod(n) for n = 3101222982 and 3101223000.

It is not an unprimeable number, because it can be changed into a prime (3101223017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4167939 + ... + 4168682.

It is an arithmetic number, because the mean of its divisors is an integer number (311233888).

Almost surely, 23101223012 is an apocalyptic number.

It is an amenable number.

3101223012 is an abundant number, since it is smaller than the sum of its proper divisors (4368390300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3101223012 is a wasteful number, since it uses less digits than its factorization.

3101223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8336659 (or 8336657 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3101223012 is about 55688.6255172454. The cubic root of 3101223012 is about 1458.2914604518.

Adding to 3101223012 its reverse (2103221013), we get a palindrome (5204444025).

The spelling of 3101223012 in words is "three billion, one hundred one million, two hundred twenty-three thousand, twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 8336621 16673242 25009863 33346484 50019726 100039452 258435251 516870502 775305753 1033741004 1550611506 3101223012