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42445452153 = 3138391297193
BaseRepresentation
bin100111100001111100…
…100011001101111001
311001120002121101012110
4213201330203031321
51143412013432103
631255453202533
73031560250626
oct474174431571
9131502541173
1042445452153
1117001395485
128286a90449
1340058c3580
1420a929d34d
15118653a403
hex9e1f23379

42445452153 has 16 divisors (see below), whose sum is σ = 61020005760. Its totient is φ = 26089125504.

The previous prime is 42445452121. The next prime is 42445452187. The reversal of 42445452153 is 35125454424.

It is not a de Polignac number, because 42445452153 - 25 = 42445452121 is a prime.

It is a super-2 number, since 2×424454521532 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (42445452103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615876 + ... + 681317.

It is an arithmetic number, because the mean of its divisors is an integer number (3813750360).

Almost surely, 242445452153 is an apocalyptic number.

It is an amenable number.

42445452153 is a deficient number, since it is larger than the sum of its proper divisors (18574553607).

42445452153 is a wasteful number, since it uses less digits than its factorization.

42445452153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298048.

The product of its digits is 384000, while the sum is 39.

The spelling of 42445452153 in words is "forty-two billion, four hundred forty-five million, four hundred fifty-two thousand, one hundred fifty-three".

Divisors: 1 3 13 39 839 2517 10907 32721 1297193 3891579 16863509 50590527 1088344927 3265034781 14148484051 42445452153