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420131201334400 = 2752189617692401
BaseRepresentation
bin101111110000110110110101…
…1000000111011110010000000
32001002120011001210011222102001
41133201231223000323302000
5420031412200020200100
64045313335345033344
7154331322552625243
oct13741555300736200
92032504053158361
10420131201334400
111119597073a0106
123b1542a9325854
1315057282576c6a
1475a665c72b25a
15338889b528d6a
hex17e1b6b03bc80

420131201334400 has 96 divisors (see below), whose sum is σ = 1037862330656580. Its totient is φ = 168051351552000.

The previous prime is 420131201334389. The next prime is 420131201334419. The reversal of 420131201334400 is 4433102131024.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 100056487974976 + 320074713359424 = 10002824^2 + 17890632^2 .

It is a super-2 number, since 2×4201312013344002 (a number of 30 digits) contains 22 as substring.

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, 606428200 + ... + 607120600.

Almost surely, 2420131201334400 is an apocalyptic number.

420131201334400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420131201334400 is an abundant number, since it is smaller than the sum of its proper divisors (617731129322180).

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

420131201334400 is a wasteful number, since it uses less digits than its factorization.

420131201334400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882042 (or 882025 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 420131201334400 its reverse (4433102131024), we get a palindrome (424564303465424).

The spelling of 420131201334400 in words is "four hundred twenty trillion, one hundred thirty-one billion, two hundred one million, three hundred thirty-four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 640 800 1600 3200 189617 379234 692401 758468 948085 1384802 1516936 1896170 2769604 3033872 3462005 3792340 4740425 5539208 6067744 6924010 7584680 9480850 11078416 12135488 13848020 15169360 17310025 18961700 22156832 24270976 27696040 30338720 34620050 37923400 44313664 55392080 60677440 69240100 75846800 88627328 110784160 121354880 138480200 151693600 221568320 276960400 303387200 443136640 553920800 606774400 1107841600 2215683200 131291000417 262582000834 525164001668 656455002085 1050328003336 1312910004170 2100656006672 2625820008340 3282275010425 4201312013344 5251640016680 6564550020850 8402624026688 10503280033360 13129100041700 16805248053376 21006560066720 26258200083400 42013120133440 52516400166800 84026240266880 105032800333600 210065600667200 420131201334400