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3042312420 = 22357371371429
BaseRepresentation
bin1011010101010110…
…0000000011100100
321212000122111001210
42311111200003210
522212312444140
61221515151420
7135251141340
oct26525400344
97760574053
103042312420
111321340394
1270aa45570
133963aa784
1420c09c620
1512c150d80
hexb55600e4

3042312420 has 192 divisors, whose sum is σ = 10078548480. Its totient is φ = 671182848.

The previous prime is 3042312391. The next prime is 3042312421. The reversal of 3042312420 is 242132403.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3042312421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2128266 + ... + 2129694.

It is an arithmetic number, because the mean of its divisors is an integer number (52492440).

Almost surely, 23042312420 is an apocalyptic number.

3042312420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3042312420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5039274240).

3042312420 is an abundant number, since it is smaller than the sum of its proper divisors (7036236060).

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

3042312420 is a wasteful number, since it uses less digits than its factorization.

3042312420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3042312420 is about 55157.1610944581. The cubic root of 3042312420 is about 1448.9985030474.

Adding to 3042312420 its reverse (242132403), we get a palindrome (3284444823).

The spelling of 3042312420 in words is "three billion, forty-two million, three hundred twelve thousand, four hundred twenty".