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42073130020255 = 561409333702587
BaseRepresentation
bin10011001000011111010011…
…11110000010110110011111
312111222011002202210210202021
421210033221332002312133
521003311232241122010
6225252043515241011
711601453245340655
oct1144175176026637
9174864082723667
1042073130020255
1112451129063524
12487607a149167
131a6262c882769
14a564c9550dd5
154ce642ed38da
hex2643e9f82d9f

42073130020255 has 16 divisors (see below), whose sum is σ = 51327963041184. Its totient is φ = 33098635658880.

The previous prime is 42073130020249. The next prime is 42073130020277. The reversal of 42073130020255 is 55202003137024.

It is a de Polignac number, because none of the positive numbers 2k-42073130020255 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42073130020255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15602929 + ... + 18099658.

It is an arithmetic number, because the mean of its divisors is an integer number (3207997690074).

Almost surely, 242073130020255 is an apocalyptic number.

42073130020255 is a deficient number, since it is larger than the sum of its proper divisors (9254833020929).

42073130020255 is a wasteful number, since it uses less digits than its factorization.

42073130020255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33706746.

The product of its (nonzero) digits is 50400, while the sum is 34.

Adding to 42073130020255 its reverse (55202003137024), we get a palindrome (97275133157279).

The spelling of 42073130020255 in words is "forty-two trillion, seventy-three billion, one hundred thirty million, twenty thousand, two hundred fifty-five".

Divisors: 1 5 61 305 4093 20465 249673 1248365 33702587 168512935 2055857807 10279289035 137944688591 689723442955 8414626004051 42073130020255