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54665222420 = 22523911436239
BaseRepresentation
bin110010111010010011…
…010001100100010100
312020002201021000200102
4302322103101210110
51343423244104140
641040213233232
73643440503204
oct627223214424
9166081230612
1054665222420
1121202102776
12a717332818
135202445073
142908168404
15164e21ce15
hexcba4d1914

54665222420 has 24 divisors (see below), whose sum is σ = 115277299200. Its totient is φ = 21774597152.

The previous prime is 54665222419. The next prime is 54665222429. The reversal of 54665222420 is 2422256645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54665222429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5713340 + ... + 5722899.

It is an arithmetic number, because the mean of its divisors is an integer number (4803220800).

Almost surely, 254665222420 is an apocalyptic number.

It is an amenable number.

54665222420 is an abundant number, since it is smaller than the sum of its proper divisors (60612076780).

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

54665222420 is a wasteful number, since it uses less digits than its factorization.

54665222420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11436487 (or 11436485 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 54665222420 in words is "fifty-four billion, six hundred sixty-five million, two hundred twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 239 478 956 1195 2390 4780 11436239 22872478 45744956 57181195 114362390 228724780 2733261121 5466522242 10933044484 13666305605 27332611210 54665222420