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10442442400 = 255213277237
BaseRepresentation
bin10011011100110101…
…10000011010100000
3222221202022000222221
421232122300122200
5132341231124100
64444105440424
7516526203325
oct115632603240
928852260887
1010442442400
114479539595
1220351a0114
13ca556c200
14710c14b4c
15411b5701a
hex26e6b06a0

10442442400 has 108 divisors (see below), whose sum is σ = 27604783962. Its totient is φ = 3855621120.

The previous prime is 10442442341. The next prime is 10442442403. The reversal of 10442442400 is 424424401.

It can be written as a sum of positive squares in 9 ways, for example, as 2576171536 + 7866270864 = 50756^2 + 88692^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (10442442403) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 96582 + ... + 173818.

Almost surely, 210442442400 is an apocalyptic number.

10442442400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10442442400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13802391981).

10442442400 is an abundant number, since it is smaller than the sum of its proper divisors (17162341562).

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

10442442400 is a wasteful number, since it uses less digits than its factorization.

10442442400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77283 (or 77257 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 10442442400 its reverse (424424401), we get a palindrome (10866866801).

The spelling of 10442442400 in words is "ten billion, four hundred forty-two million, four hundred forty-two thousand, four hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 65 80 100 104 130 160 169 200 208 260 325 338 400 416 520 650 676 800 845 1040 1300 1352 1690 2080 2600 2704 3380 4225 5200 5408 6760 8450 10400 13520 16900 27040 33800 67600 77237 135200 154474 308948 386185 617896 772370 1004081 1235792 1544740 1930925 2008162 2471584 3089480 3861850 4016324 5020405 6178960 7723700 8032648 10040810 12357920 13053053 15447400 16065296 20081620 25102025 26106106 30894800 32130592 40163240 50204050 52212212 61789600 65265265 80326480 100408100 104424424 130530530 160652960 200816200 208848848 261061060 326326325 401632400 417697696 522122120 652652650 803264800 1044244240 1305305300 2088488480 2610610600 5221221200 10442442400