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42205401200 = 2452105513503
BaseRepresentation
bin100111010011101000…
…110101000001110000
311000221100220112012102
4213103220311001300
51142414040314300
631220000115532
73022613663624
oct472350650160
9130840815172
1042205401200
1116998937666
12821a605ba8
133c97c554a1
142085453184
15117041e0d5
hex9d3a35070

42205401200 has 30 divisors (see below), whose sum is σ = 101398477344. Its totient is φ = 16882160320.

The previous prime is 42205401191. The next prime is 42205401211. The reversal of 42205401200 is 210450224.

It is a happy number.

It is a super-2 number, since 2×422054012002 (a number of 22 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 52756352 + ... + 52757151.

Almost surely, 242205401200 is an apocalyptic number.

42205401200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42205401200 is an abundant number, since it is smaller than the sum of its proper divisors (59193076144).

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

42205401200 is a wasteful number, since it uses less digits than its factorization.

42205401200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105513521 (or 105513510 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 42205401200 its reverse (210450224), we get a palindrome (42415851424).

The spelling of 42205401200 in words is "forty-two billion, two hundred five million, four hundred one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 105513503 211027006 422054012 527567515 844108024 1055135030 1688216048 2110270060 2637837575 4220540120 5275675150 8441080240 10551350300 21102700600 42205401200