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9954894144 = 2631314292791
BaseRepresentation
bin10010100010101101…
…11010000101000000
3221200202220000112010
421101112322011000
5130341423103034
64323451532520
7501456126666
oct112126720500
927622800463
109954894144
114249307348
121b19a5a140
13c28556910
146a6180c36
153d3e4d3e9
hex2515ba140

9954894144 has 112 divisors (see below), whose sum is σ = 28395086720. Its totient is φ = 3059804160.

The previous prime is 9954894137. The next prime is 9954894281. The reversal of 9954894144 is 4414984599.

It is a happy number.

It is a super-3 number, since 3×99548941443 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3565389 + ... + 3568179.

It is an arithmetic number, because the mean of its divisors is an integer number (253527560).

Almost surely, 29954894144 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 9954894144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14197543360).

9954894144 is an abundant number, since it is smaller than the sum of its proper divisors (18440192576).

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

9954894144 is a wasteful number, since it uses less digits than its factorization.

9954894144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4248 (or 4238 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 57.

The square root of 9954894144 is about 99774.2158275373. The cubic root of 9954894144 is about 2151.1905534501.

The spelling of 9954894144 in words is "nine billion, nine hundred fifty-four million, eight hundred ninety-four thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 1429 2496 2791 2858 4287 5582 5716 8373 8574 11164 11432 16746 17148 18577 22328 22864 33492 34296 36283 37154 44656 45728 55731 66984 68592 72566 74308 89312 91456 108849 111462 133968 137184 145132 148616 178624 217698 222924 267936 274368 290264 297232 435396 445848 535872 580528 594464 870792 891696 1161056 1188928 1741584 1783392 2322112 3483168 3566784 3988339 6966336 7976678 11965017 15953356 23930034 31906712 47860068 51848407 63813424 95720136 103696814 127626848 155545221 191440272 207393628 255253696 311090442 382880544 414787256 622180884 765761088 829574512 1244361768 1659149024 2488723536 3318298048 4977447072 9954894144