Search a number
-
+
91484471296 = 2141721392
BaseRepresentation
bin101010100110011100…
…1100100000000000000
322202010201011122220201
41111030321210000000
52444330011040141
6110005525414544
76416033114131
oct1251471440000
9282121148821
1091484471296
1135886665379
1215891b6a454
13881c53836a
1445dc11bc88
1525a685a031
hex154ce64000

91484471296 has 135 divisors (see below), whose sum is σ = 195767326209. Its totient is φ = 42741792768.

The previous prime is 91484471251. The next prime is 91484471303. The reversal of 91484471296 is 69217448419.

It is a happy number.

The square root of 91484471296 is 302464.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 71224934400 + 20259536896 = 266880^2 + 142336^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 658161595 + ... + 658161733.

Almost surely, 291484471296 is an apocalyptic number.

91484471296 is the 302464-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91484471296

91484471296 is an abundant number, since it is smaller than the sum of its proper divisors (104282854913).

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

91484471296 is an frugal number, since it uses more digits than its factorization.

91484471296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 158 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 55.

The spelling of 91484471296 in words is "ninety-one billion, four hundred eighty-four million, four hundred seventy-one thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 139 256 272 278 289 512 544 556 578 1024 1088 1112 1156 2048 2176 2224 2312 2363 4096 4352 4448 4624 4726 8192 8704 8896 9248 9452 16384 17408 17792 18496 18904 19321 34816 35584 36992 37808 38642 40171 69632 71168 73984 75616 77284 80342 139264 142336 147968 151232 154568 160684 278528 284672 295936 302464 309136 321368 328457 569344 591872 604928 618272 642736 656914 1138688 1183744 1209856 1236544 1285472 1313828 2277376 2367488 2419712 2473088 2570944 2627656 4734976 4839424 4946176 5141888 5255312 5583769 9678848 9892352 10283776 10510624 11167538 19357696 19784704 20567552 21021248 22335076 38715392 39569408 41135104 42042496 44670152 79138816 82270208 84084992 89340304 158277632 164540416 168169984 178680608 316555264 329080832 336339968 357361216 658161664 672679936 714722432 1345359872 1429444864 2690719744 2858889728 5381439488 5717779456 11435558912 22871117824 45742235648 91484471296