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54207350891220 = 2235903455848187
BaseRepresentation
bin11000101001101001000011…
…11001001110001011010100
321002221011122111010121121210
430110310201321032023110
524101113123312004340
6311142302504341420
714263231455056052
oct1424644171161324
9232834574117553
1054207350891220
11162aa23243926a
1260b58b8174870
13243296774c547
14d559150051d2
156400ce5bb180
hex314d21e4e2d4

54207350891220 has 24 divisors (see below), whose sum is σ = 151780582495584. Its totient is φ = 14455293570976.

The previous prime is 54207350891189. The next prime is 54207350891293. The reversal of 54207350891220 is 2219805370245.

It is a self number, because there is not a number n which added to its sum of digits gives 54207350891220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451727924034 + ... + 451727924153.

It is an arithmetic number, because the mean of its divisors is an integer number (6324190937316).

Almost surely, 254207350891220 is an apocalyptic number.

It is an amenable number.

54207350891220 is an abundant number, since it is smaller than the sum of its proper divisors (97573231604364).

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

54207350891220 is a wasteful number, since it uses less digits than its factorization.

54207350891220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903455848199 (or 903455848197 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 54207350891220 in words is "fifty-four trillion, two hundred seven billion, three hundred fifty million, eight hundred ninety-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 903455848187 1806911696374 2710367544561 3613823392748 4517279240935 5420735089122 9034558481870 10841470178244 13551837722805 18069116963740 27103675445610 54207350891220