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42279897224 = 235284987153
BaseRepresentation
bin100111011000000101…
…000000100010001000
311001010120002022112102
4213120011000202020
51143042123202344
631231220532532
73024510124325
oct473005004210
9131116068472
1042279897224
1116a26999624
12823b551148
133caa509586
1420912c5b4c
151176c36e4e
hex9d8140888

42279897224 has 8 divisors (see below), whose sum is σ = 79274807310. Its totient is φ = 21139948608.

The previous prime is 42279897221. The next prime is 42279897227.

42279897224 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (42279897221) and next prime (42279897227).

It can be written as a sum of positive squares in only one way, i.e., 32213788324 + 10066108900 = 179482^2 + 100330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 42279897224.

It is not an unprimeable number, because it can be changed into a prime (42279897221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2642493569 + ... + 2642493584.

Almost surely, 242279897224 is an apocalyptic number.

It is an amenable number.

42279897224 is a deficient number, since it is larger than the sum of its proper divisors (36994910086).

42279897224 is a wasteful number, since it uses less digits than its factorization.

42279897224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5284987159 (or 5284987155 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The spelling of 42279897224 in words is "forty-two billion, two hundred seventy-nine million, eight hundred ninety-seven thousand, two hundred twenty-four".

Divisors: 1 2 4 8 5284987153 10569974306 21139948612 42279897224