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42108783140732 = 227112272081289417
BaseRepresentation
bin10011001001100001101110…
…00011111001111101111100
312112002120010111102222112212
421210300313003321331330
521004402241441000412
6225320301413315552
711604154621015430
oct1144606703717574
9175076114388485
1042108783140732
1112465264344650
124880b6a335bb8
131a65ac21b0859
14a5810c6b09c0
154d052d076222
hex264c370f9f7c

42108783140732 has 96 divisors (see below), whose sum is σ = 92323100975616. Its totient is φ = 16325840793600.

The previous prime is 42108783140663. The next prime is 42108783140761. The reversal of 42108783140732 is 23704138780124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145350488 + ... + 145639904.

It is an arithmetic number, because the mean of its divisors is an integer number (961698968496).

Almost surely, 242108783140732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42108783140732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46161550487808).

42108783140732 is an abundant number, since it is smaller than the sum of its proper divisors (50214317834884).

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

42108783140732 is a wasteful number, since it uses less digits than its factorization.

42108783140732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291747 (or 291745 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 42108783140732 in words is "forty-two trillion, one hundred eight billion, seven hundred eighty-three million, one hundred forty thousand, seven hundred thirty-two".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 227 308 454 908 1589 2081 2497 3178 4162 4994 6356 8324 9988 14567 17479 22891 29134 34958 45782 58268 69916 91564 160237 289417 320474 472387 578834 640948 944774 1157668 1889548 2025919 3183587 3306709 4051838 5196257 6367174 6613418 8103676 10392514 12734348 13226836 20785028 22285109 36373799 44570218 65697659 72747598 89140436 131395318 145495196 262790636 459883613 602276777 722674249 919767226 1204553554 1445348498 1839534452 2409107108 2890696996 4215937439 5058719743 6625044547 8431874878 10117439486 13250089094 16863749756 20234878972 26500178188 46375311829 92750623658 136716828379 185501247316 273433656758 546867313516 957017798653 1503885112169 1914035597306 3007770224338 3828071194612 6015540448676 10527195785183 21054391570366 42108783140732