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5018037138 = 232535259997
BaseRepresentation
bin1001010110001100…
…10010101110010010
3110221201022200212100
410223012102232102
540234104142023
62145533541230
7235231416612
oct45306225622
913851280770
105018037138
112145607634
12b80644816
1361c80575a
14358638a42
151e581ac43
hex12b192b92

5018037138 has 24 divisors (see below), whose sum is σ = 11077555788. Its totient is φ = 1641118752.

The previous prime is 5018037061. The next prime is 5018037139. The reversal of 5018037138 is 8317308105.

5018037138 is a `hidden beast` number, since 501 + 80 + 3 + 71 + 3 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4979136969 + 38900169 = 70563^2 + 6237^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5018037139) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2629045 + ... + 2630952.

Almost surely, 25018037138 is an apocalyptic number.

5018037138 is an abundant number, since it is smaller than the sum of its proper divisors (6059518650).

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

5018037138 is a wasteful number, since it uses less digits than its factorization.

5018037138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5260058 (or 5260055 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 5018037138 is about 70838.1051271136. The cubic root of 5018037138 is about 1712.0296838919.

The spelling of 5018037138 in words is "five billion, eighteen million, thirty-seven thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 9 18 53 106 159 318 477 954 5259997 10519994 15779991 31559982 47339973 94679946 278779841 557559682 836339523 1672679046 2509018569 5018037138