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9364138900 = 22521719727961
BaseRepresentation
bin10001011100010010…
…10110101110010100
3220011121021112200021
420232021112232110
5123134204421100
64145105554524
7451023603334
oct105611265624
926147245607
109364138900
113a758a3176
121994045a44
13b63046bbc
1464b9230c4
1539c159a1a
hex22e256b94

9364138900 has 72 divisors (see below), whose sum is σ = 21625475256. Its totient is φ = 3507302400.

The previous prime is 9364138897. The next prime is 9364138909. The reversal of 9364138900 is 98314639.

It can be written as a sum of positive squares in 12 ways, for example, as 391881616 + 8972257284 = 19796^2 + 94722^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9364138909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320920 + ... + 348880.

It is an arithmetic number, because the mean of its divisors is an integer number (300353823).

Almost surely, 29364138900 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 9364138900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10812737628).

9364138900 is an abundant number, since it is smaller than the sum of its proper divisors (12261336356).

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

9364138900 is a wasteful number, since it uses less digits than its factorization.

9364138900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28189 (or 28182 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 9364138900 is about 96768.4809222507. The cubic root of 9364138900 is about 2107.7670724656.

The spelling of 9364138900 in words is "nine billion, three hundred sixty-four million, one hundred thirty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 197 340 394 425 788 850 985 1700 1970 3349 3940 4925 6698 9850 13396 16745 19700 27961 33490 55922 66980 83725 111844 139805 167450 279610 334900 475337 559220 699025 950674 1398050 1901348 2376685 2796100 4753370 5508317 9506740 11016634 11883425 22033268 23766850 27541585 47533700 55083170 93641389 110166340 137707925 187282778 275415850 374565556 468206945 550831700 936413890 1872827780 2341034725 4682069450 9364138900