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42041442320 = 2452771897177
BaseRepresentation
bin100111001001110111…
…011000000000010000
311000111221101112220022
4213021313120000100
51142100102123240
631151422003012
73015553235453
oct471167300020
9130457345808
1042041442320
1116914330959
128193716468
133c6cca9ab7
14206b77349a
151160d339b5
hex9c9dd8010

42041442320 has 40 divisors (see below), whose sum is σ = 98099280024. Its totient is φ = 16755858432.

The previous prime is 42041442301. The next prime is 42041442349. The reversal of 42041442320 is 2324414024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34480384 + 42006961936 = 5872^2 + 204956^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 42041442320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926429 + ... + 970748.

Almost surely, 242041442320 is an apocalyptic number.

42041442320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42041442320 is an abundant number, since it is smaller than the sum of its proper divisors (56057837704).

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

42041442320 is a wasteful number, since it uses less digits than its factorization.

42041442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897467 (or 1897461 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 42041442320 its reverse (2324414024), we get a palindrome (44365856344).

The spelling of 42041442320 in words is "forty-two billion, forty-one million, four hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 277 554 1108 1385 2216 2770 4432 5540 11080 22160 1897177 3794354 7588708 9485885 15177416 18971770 30354832 37943540 75887080 151774160 525518029 1051036058 2102072116 2627590145 4204144232 5255180290 8408288464 10510360580 21020721160 42041442320