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55430768000 = 27533464423
BaseRepresentation
bin110011100111111011…
…100110010110000000
312022002001202202210102
4303213323212112000
51402010234034000
641244201421532
74001424516416
oct634773462600
9168061682712
1055430768000
1121565250473
12a8ab79a8a8
1352c4c2360a
14297bac52b6
15169653b3d5
hexce7ee6580

55430768000 has 64 divisors (see below), whose sum is σ = 137814786720. Its totient is φ = 22172300800.

The previous prime is 55430767999. The next prime is 55430768033. The reversal of 55430768000 is 86703455.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716212 + ... + 1748211.

Almost surely, 255430768000 is an apocalyptic number.

55430768000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55430768000 is an abundant number, since it is smaller than the sum of its proper divisors (82384018720).

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

55430768000 is an equidigital number, since it uses as much as digits as its factorization.

55430768000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464452 (or 3464430 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 55430768000 in words is "fifty-five billion, four hundred thirty million, seven hundred sixty-eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 500 640 800 1000 1600 2000 3200 4000 8000 16000 3464423 6928846 13857692 17322115 27715384 34644230 55430768 69288460 86610575 110861536 138576920 173221150 221723072 277153840 346442300 433052875 443446144 554307680 692884600 866105750 1108615360 1385769200 1732211500 2217230720 2771538400 3464423000 5543076800 6928846000 11086153600 13857692000 27715384000 55430768000