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83047820492 = 227132329342059
BaseRepresentation
bin100110101011000001…
…0010010110011001100
321221100202010101201102
41031112002102303030
52330040220223432
6102052431002232
76000000553430
oct1152602226314
9257322111642
1083047820492
113224736979a
1214118669378
137aa66c06b0
14403b86c9c0
152260d5b962
hex1356092ccc

83047820492 has 96 divisors (see below), whose sum is σ = 193086028800. Its totient is φ = 30341912832.

The previous prime is 83047820491. The next prime is 83047820507. The reversal of 83047820492 is 29402874038.

It is not an unprimeable number, because it can be changed into a prime (83047820491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71759 + ... + 413817.

It is an arithmetic number, because the mean of its divisors is an integer number (2011312800).

Almost surely, 283047820492 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 83047820492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96543014400).

83047820492 is an abundant number, since it is smaller than the sum of its proper divisors (110038208308).

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

83047820492 is a wasteful number, since it uses less digits than its factorization.

83047820492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342135 (or 342133 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 83047820492 in words is "eighty-three billion, forty-seven million, eight hundred twenty thousand, four hundred ninety-two".

Divisors: 1 2 4 7 13 14 23 26 28 29 46 52 58 91 92 116 161 182 203 299 322 364 377 406 598 644 667 754 812 1196 1334 1508 2093 2639 2668 4186 4669 5278 8372 8671 9338 10556 17342 18676 34684 60697 121394 242788 342059 684118 1368236 2394413 4446767 4788826 7867357 8893534 9577652 9919711 15734714 17787068 19839422 31127369 31469428 39678844 55071499 62254738 69437977 102275641 110142998 124509476 128956243 138875954 204551282 220285996 228153353 257912486 277751908 409102564 456306706 515824972 715929487 902693701 912613412 1431858974 1597073471 1805387402 2863717948 2965993589 3194146942 3610774804 5931987178 6388293884 11863974356 20761955123 41523910246 83047820492