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8442011837 = 73571337721
BaseRepresentation
bin1111101110010111…
…01110000010111101
3210210100010122011002
413313023232002331
5114242123334322
63513405340045
7416125626260
oct76713560275
923710118132
108442011837
113642328496
121777267625
13a46ca3b9c
145a1286cd7
1534620bc92
hex1f72ee0bd

8442011837 has 8 divisors (see below), whose sum is σ = 9650743872. Its totient is φ = 7233962400.

The previous prime is 8442011821. The next prime is 8442011887. The reversal of 8442011837 is 7381102448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8442011837 - 24 = 8442011821 is a prime.

It is a super-2 number, since 2×84420118372 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8442011837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442011887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143864 + ... + 193857.

It is an arithmetic number, because the mean of its divisors is an integer number (1206342984).

Almost surely, 28442011837 is an apocalyptic number.

It is an amenable number.

8442011837 is a deficient number, since it is larger than the sum of its proper divisors (1208732035).

8442011837 is a wasteful number, since it uses less digits than its factorization.

8442011837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341299.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 8442011837 is about 91880.4214019505. The cubic root of 8442011837 is about 2036.1760221502.

The spelling of 8442011837 in words is "eight billion, four hundred forty-two million, eleven thousand, eight hundred thirty-seven".

Divisors: 1 7 3571 24997 337721 2364047 1206001691 8442011837