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3143112012 = 2234192379281
BaseRepresentation
bin1011101101011000…
…0001010101001100
322010001022122010000
42323112001111030
522414114041022
61235515444300
7140614003605
oct27326012514
98101278100
103143112012
111373228637
12738756690
133b12411c1
1421b61adac
15135e126ac
hexbb58154c

3143112012 has 240 divisors, whose sum is σ = 9171993600. Its totient is φ = 934053120.

The previous prime is 3143111999. The next prime is 3143112013. The reversal of 3143112012 is 2102113413.

3143112012 is a `hidden beast` number, since 31 + 431 + 1 + 201 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3143112013) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11185312 + ... + 11185592.

It is an arithmetic number, because the mean of its divisors is an integer number (38216640).

Almost surely, 23143112012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3143112012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4585996800).

3143112012 is an abundant number, since it is smaller than the sum of its proper divisors (6028881588).

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

3143112012 is a wasteful number, since it uses less digits than its factorization.

3143112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3143112012 is about 56063.4641455556. The cubic root of 3143112012 is about 1464.8279548067.

Adding to 3143112012 its reverse (2102113413), we get a palindrome (5245225425).

The spelling of 3143112012 in words is "three billion, one hundred forty-three million, one hundred twelve thousand, twelve".