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420960003552 = 253211132878789
BaseRepresentation
bin1100010000000110010…
…10111110010111100000
31111020120102111212112200
412020003022332113200
523344111230103202
6521215241453200
742261531664044
oct6100312762740
91436512455480
10420960003552
11152589a47290
12697027a1200
1330908b8b0ca
1416535b84024
15ae3ba94e1c
hex62032be5e0

420960003552 has 72 divisors (see below), whose sum is σ = 1305932748120. Its totient is φ = 127563636480.

The previous prime is 420960003551. The next prime is 420960003571. The reversal of 420960003552 is 255300069024.

420960003552 is a `hidden beast` number, since 42 + 0 + 9 + 60 + 0 + 0 + 3 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420960003551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66436227 + ... + 66442562.

It is an arithmetic number, because the mean of its divisors is an integer number (18137954835).

Almost surely, 2420960003552 is an apocalyptic number.

It is an amenable number.

420960003552 is an abundant number, since it is smaller than the sum of its proper divisors (884972744568).

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

420960003552 is a wasteful number, since it uses less digits than its factorization.

420960003552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132878816 (or 132878805 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 420960003552 in words is "four hundred twenty billion, nine hundred sixty million, three thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 176 198 264 288 352 396 528 792 1056 1584 3168 132878789 265757578 398636367 531515156 797272734 1063030312 1195909101 1461666679 1594545468 2126060624 2391818202 2923333358 3189090936 4252121248 4385000037 4783636404 5846666716 6378181872 8770000074 9567272808 11693333432 12756363744 13155000111 17540000148 19134545616 23386666864 26310000222 35080000296 38269091232 46773333728 52620000444 70160000592 105240000888 140320001184 210480001776 420960003552