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42130000000 = 275711383
BaseRepresentation
bin100111001111001001…
…001100100010000000
311000202010000202012101
4213033021030202000
51142240240000000
631204304040144
73021010043224
oct471711144200
9130663022171
1042130000000
111695a317620
1281b9303054
133c854453aa
142079426784
1511689c7e6a
hex9cf24c880

42130000000 has 256 divisors, whose sum is σ = 114749706240. Its totient is φ = 15280000000.

The previous prime is 42129999997. The next prime is 42130000021. The reversal of 42130000000 is 3124.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109999809 + ... + 110000191.

It is an arithmetic number, because the mean of its divisors is an integer number (448241040).

Almost surely, 242130000000 is an apocalyptic number.

42130000000 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 42130000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57374853120).

42130000000 is an abundant number, since it is smaller than the sum of its proper divisors (72619706240).

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

42130000000 is an frugal number, since it uses more digits than its factorization.

42130000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 42130000000 its reverse (3124), we get a palindrome (42130003124).

The spelling of 42130000000 in words is "forty-two billion, one hundred thirty million", and thus it is an aban number.