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42132130000 = 24549534421
BaseRepresentation
bin100111001111010001…
…010100100011010000
311000202021000222000021
4213033101110203100
51142241311130000
631204421433224
73021034124152
oct471721244320
9130667028007
1042132130000
1116960541954
1281b9b6b814
133c85a0ca4c
14207981cad2
151168c9911a
hex9cf4548d0

42132130000 has 100 divisors (see below), whose sum is σ = 102136234068. Its totient is φ = 16831360000.

The previous prime is 42132129989. The next prime is 42132130009. The reversal of 42132130000 is 3123124.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 27098427456 + 15033702544 = 164616^2 + 122612^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42132130009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9527790 + ... + 9532210.

Almost surely, 242132130000 is an apocalyptic number.

42132130000 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 42132130000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51068117034).

42132130000 is an abundant number, since it is smaller than the sum of its proper divisors (60004104068).

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

42132130000 is an equidigital number, since it uses as much as digits as its factorization.

42132130000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5402 (or 5381 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 42132130000 its reverse (3123124), we get a palindrome (42135253124).

The spelling of 42132130000 in words is "forty-two billion, one hundred thirty-two million, one hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 953 1000 1250 1906 2000 2500 3812 4421 4765 5000 7624 8842 9530 10000 15248 17684 19060 22105 23825 35368 38120 44210 47650 70736 76240 88420 95300 110525 119125 176840 190600 221050 238250 353680 381200 442100 476500 552625 595625 884200 953000 1105250 1191250 1768400 1906000 2210500 2382500 2763125 4213213 4421000 4765000 5526250 8426426 8842000 9530000 11052500 16852852 21066065 22105000 33705704 42132130 44210000 67411408 84264260 105330325 168528520 210660650 337057040 421321300 526651625 842642600 1053303250 1685285200 2106606500 2633258125 4213213000 5266516250 8426426000 10533032500 21066065000 42132130000