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42916174820 = 2252145808741
BaseRepresentation
bin100111111110000000…
…001101101111100100
311002202220100120022022
4213332000031233210
51200343020043240
631414310322312
73046334316131
oct477600155744
9132686316268
1042916174820
1117223075382
128398659398
13407c2975ac
1421119d3588
1511b2a1d9b5
hex9fe00dbe4

42916174820 has 12 divisors (see below), whose sum is σ = 90123967164. Its totient is φ = 17166469920.

The previous prime is 42916174771. The next prime is 42916174823. The reversal of 42916174820 is 2847161924.

It can be written as a sum of positive squares in 2 ways, for example, as 23032918756 + 19883256064 = 151766^2 + 141008^2 .

It is a super-2 number, since 2×429161748202 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42916174823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1072904351 + ... + 1072904390.

It is an arithmetic number, because the mean of its divisors is an integer number (7510330597).

Almost surely, 242916174820 is an apocalyptic number.

It is an amenable number.

42916174820 is an abundant number, since it is smaller than the sum of its proper divisors (47207792344).

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

42916174820 is a wasteful number, since it uses less digits than its factorization.

42916174820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145808750 (or 2145808748 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 42916174820 in words is "forty-two billion, nine hundred sixteen million, one hundred seventy-four thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 2145808741 4291617482 8583234964 10729043705 21458087410 42916174820