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85614698990 = 2541894015851
BaseRepresentation
bin100111110111100001…
…0001010000111101110
322011222122011100001102
41033233002022013232
52400314330331430
6103155244043102
76120416635262
oct1175702120756
9264878140042
1085614698990
11333442a1587
1214714233492
1380c5437902
14420272c0a2
152361398345
hex13ef08a1ee

85614698990 has 64 divisors (see below), whose sum is σ = 160064372160. Its totient is φ = 32947200000.

The previous prime is 85614698989. The next prime is 85614699007. The reversal of 85614698990 is 9989641658.

It is a Curzon number.

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, 14629565 + ... + 14635415.

It is an arithmetic number, because the mean of its divisors is an integer number (2501005815).

Almost surely, 285614698990 is an apocalyptic number.

85614698990 is a deficient number, since it is larger than the sum of its proper divisors (74449673170).

85614698990 is a wasteful number, since it uses less digits than its factorization.

85614698990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389.

The product of its (nonzero) digits is 33592320, while the sum is 65.

The spelling of 85614698990 in words is "eighty-five billion, six hundred fourteen million, six hundred ninety-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 41 82 89 178 205 401 410 445 802 890 2005 3649 4010 5851 7298 11702 16441 18245 29255 32882 35689 36490 58510 71378 82205 164410 178445 239891 356890 479782 520739 1041478 1199455 1463249 2346251 2398910 2603695 2926498 4692502 5207390 7316245 11731255 14632490 21350299 23462510 42700598 96196291 106751495 192392582 208816339 213502990 417632678 480981455 961962910 1044081695 2088163390 8561469899 17122939798 42807349495 85614698990