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54248620203 = 32192313793191
BaseRepresentation
bin110010100001011110…
…000100000010101011
312012000200100102212200
4302201132010002223
51342100121321303
640531012111243
73630221443401
oct624136040253
9165020312780
1054248620203
1121008a28318
12a61b905523
13516703ca8b
1428a8ac1471
15162787a3a3
hexca17840ab

54248620203 has 24 divisors (see below), whose sum is σ = 86069518080. Its totient is φ = 32772619440.

The previous prime is 54248620081. The next prime is 54248620247. The reversal of 54248620203 is 30202684245.

54248620203 is a `hidden beast` number, since 5 + 4 + 2 + 4 + 8 + 620 + 20 + 3 = 666.

It is not a de Polignac number, because 54248620203 - 220 = 54247571627 is a prime.

It is a super-2 number, since 2×542486202032 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54248620703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6892663 + ... + 6900528.

It is an arithmetic number, because the mean of its divisors is an integer number (3586229920).

Almost surely, 254248620203 is an apocalyptic number.

54248620203 is a deficient number, since it is larger than the sum of its proper divisors (31820897877).

54248620203 is a wasteful number, since it uses less digits than its factorization.

54248620203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13793239 (or 13793236 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 54248620203 in words is "fifty-four billion, two hundred forty-eight million, six hundred twenty thousand, two hundred three".

Divisors: 1 3 9 19 23 57 69 171 207 437 1311 3933 13793191 41379573 124138719 262070629 317243393 786211887 951730179 2358635661 2855190537 6027624467 18082873401 54248620203