Search a number
-
+
42452020000 = 2554132331229
BaseRepresentation
bin100111100010010101…
…100110101100100000
311001120112222001121001
4213202111212230200
51143420204120000
631300250041344
73032000134105
oct474225465440
9131515861531
1042452020000
1117005070a55
128289119254
134007082b80
1420aa0ccaac
151186dd646a
hex9e2566b20

42452020000 has 480 divisors, whose sum is σ = 121677050880. Its totient is φ = 14446080000.

The previous prime is 42452019991. The next prime is 42452020049. The reversal of 42452020000 is 2025424.

It is a self number, because there is not a number n which added to its sum of digits gives 42452020000.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 185379886 + ... + 185380114.

It is an arithmetic number, because the mean of its divisors is an integer number (253493856).

Almost surely, 242452020000 is an apocalyptic number.

42452020000 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 42452020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60838525440).

42452020000 is an abundant number, since it is smaller than the sum of its proper divisors (79225030880).

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

42452020000 is a wasteful number, since it uses less digits than its factorization.

42452020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

Adding to 42452020000 its reverse (2025424), we get a palindrome (42454045424).

The spelling of 42452020000 in words is "forty-two billion, four hundred fifty-two million, twenty thousand".