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11989930388184 = 2332748614893961
BaseRepresentation
bin1010111001111001111110…
…0010101010101011011000
31120110020002212022211012200
42232132133202222223120
53032420334134410214
641300033055210200
72345146436511450
oct256363742525330
946406085284180
1011989930388184
1139029a0144471
12141788b516960
1368c85146b4b8
142d645c4d8d60
1515bd43db1d09
hexae79f8aaad8

11989930388184 has 96 divisors (see below), whose sum is σ = 37119331460640. Its totient is φ = 3424988966400.

The previous prime is 11989930388171. The next prime is 11989930388273. The reversal of 11989930388184 is 48188303998911.

It is a happy number.

11989930388184 is a `hidden beast` number, since 1 + 1 + 9 + 89 + 93 + 0 + 388 + 1 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2964 + ... + 4896924.

It is an arithmetic number, because the mean of its divisors is an integer number (386659702715).

Almost surely, 211989930388184 is an apocalyptic number.

11989930388184 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11989930388184 is an abundant number, since it is smaller than the sum of its proper divisors (25129401072456).

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

11989930388184 is a wasteful number, since it uses less digits than its factorization.

11989930388184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4898841 (or 4898834 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 72.

The spelling of 11989930388184 in words is "eleven trillion, nine hundred eighty-nine billion, nine hundred thirty million, three hundred eighty-eight thousand, one hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 4861 9722 14583 19444 29166 34027 38888 43749 58332 68054 87498 102081 116664 136108 174996 204162 272216 306243 349992 408324 612486 816648 1224972 2449944 4893961 9787922 14681883 19575844 29363766 34257727 39151688 44045649 58727532 68515454 88091298 102773181 117455064 137030908 176182596 205546362 274061816 308319543 352365192 411092724 616639086 822185448 1233278172 2466556344 23789544421 47579088842 71368633263 95158177684 142737266526 166526810947 190316355368 214105899789 285474533052 333053621894 428211799578 499580432841 570949066104 666107243788 856423599156 999160865682 1332214487576 1498741298523 1712847198312 1998321731364 2997482597046 3996643462728 5994965194092 11989930388184