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420104431200 = 25352175043513
BaseRepresentation
bin1100001110100000010…
…11001110011001100000
31111011100210121021220210
412013100023032121200
523340333213244300
6520554315534120
742231402514026
oct6072013163140
91434323537823
10420104431200
1115218aaaa0a3
126950415a340
133080084b68c
14164942b0716
15addb8e2050
hex61d02ce660

420104431200 has 72 divisors (see below), whose sum is σ = 1367439931368. Its totient is φ = 112027847680.

The previous prime is 420104431151. The next prime is 420104431211. The reversal of 420104431200 is 2134401024.

It is a super-3 number, since 3×4201044312003 (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 87519357 + ... + 87524156.

It is an arithmetic number, because the mean of its divisors is an integer number (18992221269).

Almost surely, 2420104431200 is an apocalyptic number.

420104431200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420104431200 is an abundant number, since it is smaller than the sum of its proper divisors (947335500168).

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

420104431200 is a wasteful number, since it uses less digits than its factorization.

420104431200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175043536 (or 175043523 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 420104431200 its reverse (2134401024), we get a palindrome (422238832224).

The spelling of 420104431200 in words is "four hundred twenty billion, one hundred four million, four hundred thirty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 1200 2400 175043513 350087026 525130539 700174052 875217565 1050261078 1400348104 1750435130 2100522156 2625652695 2800696208 3500870260 4201044312 4376087825 5251305390 5601392416 7001740520 8402088624 8752175650 10502610780 13128263475 14003481040 16804177248 17504351300 21005221560 26256526950 28006962080 35008702600 42010443120 52513053900 70017405200 84020886240 105026107800 140034810400 210052215600 420104431200