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137361228018 = 2373270505429
BaseRepresentation
bin111111111101101011…
…1100000000011110010
3111010112221101101002120
41333323113200003302
54222303433244033
6143034115455110
712631640113350
oct1777327400362
9433487341076
10137361228018
1153288917753
1222755bb7496
13cc50c95461
146910db67d0
15388e2331b3
hex1ffb5e00f2

137361228018 has 16 divisors (see below), whose sum is σ = 313968521280. Its totient is φ = 39246065136.

The previous prime is 137361227989. The next prime is 137361228031. The reversal of 137361228018 is 810822163731.

It is a super-2 number, since 2×1373612280182 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3270505429 = 137361228018 / (1 + 3 + 7 + 3 + 6 + 1 + 2 + 2 + 8 + 0 + 1 + 8).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1635252673 + ... + 1635252756.

It is an arithmetic number, because the mean of its divisors is an integer number (19623032580).

Almost surely, 2137361228018 is an apocalyptic number.

137361228018 is an abundant number, since it is smaller than the sum of its proper divisors (176607293262).

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

137361228018 is a wasteful number, since it uses less digits than its factorization.

137361228018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270505441.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 137361228018 in words is "one hundred thirty-seven billion, three hundred sixty-one million, two hundred twenty-eight thousand, eighteen".

Divisors: 1 2 3 6 7 14 21 42 3270505429 6541010858 9811516287 19623032574 22893538003 45787076006 68680614009 137361228018