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42231000000 = 2635672011
BaseRepresentation
bin100111010101001010…
…011110101111000000
311001000011002002011010
4213111022132233000
51142442114000000
631222312520520
73023344401660
oct472512365700
9131004062133
1042231000000
1116a013313a2
1282270b0140
133ca03490c7
1420889d81a0
1511727c8d50
hex9d529ebc0

42231000000 has 392 divisors, whose sum is σ = 159700455808. Its totient is φ = 9648000000.

The previous prime is 42230999989. The next prime is 42231000017. The reversal of 42231000000 is 13224.

42231000000 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-2 number, since 2×422310000002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 42231000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 20998995 + ... + 21001005.

Almost surely, 242231000000 is an apocalyptic number.

42231000000 is a gapful number since it is divisible by the number (40) 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 42231000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79850227904).

42231000000 is an abundant number, since it is smaller than the sum of its proper divisors (117469455808).

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

42231000000 is an frugal number, since it uses more digits than its factorization.

42231000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 42231000000 its reverse (13224), we get a palindrome (42231013224).

The spelling of 42231000000 in words is "forty-two billion, two hundred thirty-one million", and thus it is an aban number.