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4431000130400 = 25526190799183
BaseRepresentation
bin100000001111010110000…
…1100000101001101100000
3120200121012000110212021202
41000132230030011031200
51040044142013133100
613231323502340332
7635062212446054
oct100365414051540
916617160425252
104431000130400
1114591a406a848
125b6910b8a6a8
13261ac2a834ac
141146666cdc64
157a3d91d77d5
hex407ac305360

4431000130400 has 72 divisors (see below), whose sum is σ = 10994509993824. Its totient is φ = 1743344294400.

The previous prime is 4431000130373. The next prime is 4431000130429. The reversal of 4431000130400 is 40310001344.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45350792 + ... + 45448391.

It is an arithmetic number, because the mean of its divisors is an integer number (152701527692).

Almost surely, 24431000130400 is an apocalyptic number.

4431000130400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4431000130400 is an abundant number, since it is smaller than the sum of its proper divisors (6563509863424).

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

4431000130400 is a wasteful number, since it uses less digits than its factorization.

4431000130400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90799264 (or 90799251 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 4431000130400 its reverse (40310001344), we get a palindrome (4471310131744).

The spelling of 4431000130400 in words is "four trillion, four hundred thirty-one billion, one hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 61 80 100 122 160 200 244 305 400 488 610 800 976 1220 1525 1952 2440 3050 4880 6100 9760 12200 24400 48800 90799183 181598366 363196732 453995915 726393464 907991830 1452786928 1815983660 2269979575 2905573856 3631967320 4539959150 5538750163 7263934640 9079918300 11077500326 14527869280 18159836600 22155000652 27693750815 36319673200 44310001304 55387501630 72639346400 88620002608 110775003260 138468754075 177240005216 221550006520 276937508150 443100013040 553875016300 886200026080 1107750032600 2215500065200 4431000130400