Search a number
-
+
90048871584 = 253571654337
BaseRepresentation
bin101001111011101010…
…1001011110010100000
322121102122211122100000
41103313111023302200
52433410002342314
6105211243500000
76335331531210
oct1236725136240
9277378748300
1090048871584
113520a271031
1215551227600
138650ca3b89
1445035c0240
1525207d2209
hex14f754bca0

90048871584 has 144 divisors (see below), whose sum is σ = 303498232128. Its totient is φ = 25728233472.

The previous prime is 90048871571. The next prime is 90048871609. The reversal of 90048871584 is 48517884009.

90048871584 is a `hidden beast` number, since 9 + 0 + 0 + 488 + 7 + 158 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 90048871584.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 772737 + ... + 881600.

It is an arithmetic number, because the mean of its divisors is an integer number (2107626612).

Almost surely, 290048871584 is an apocalyptic number.

It is an amenable number.

90048871584 is an abundant number, since it is smaller than the sum of its proper divisors (213449360544).

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

90048871584 is a wasteful number, since it uses less digits than its factorization.

90048871584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654369 (or 1654349 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 90048871584 in words is "ninety billion, forty-eight million, eight hundred seventy-one thousand, five hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 243 252 288 324 336 378 432 486 504 567 648 672 756 864 972 1008 1134 1296 1512 1701 1944 2016 2268 2592 3024 3402 3888 4536 6048 6804 7776 9072 13608 18144 27216 54432 1654337 3308674 4963011 6617348 9926022 11580359 13234696 14889033 19852044 23160718 26469392 29778066 34741077 39704088 44667099 46321436 52938784 59556132 69482154 79408176 89334198 92642872 104223231 119112264 134001297 138964308 158816352 178668396 185285744 208446462 238224528 268002594 277928616 312669693 357336792 370571488 402003891 416892924 476449056 536005188 555857232 625339386 714673584 804007782 833785848 938009079 1072010376 1111714464 1250678772 1429347168 1608015564 1667571696 1876018158 2144020752 2501357544 2814027237 3216031128 3335143392 3752036316 4288041504 5002715088 5628054474 6432062256 7504072632 10005430176 11256108948 12864124512 15008145264 22512217896 30016290528 45024435792 90048871584