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54015590420 = 22511379764663
BaseRepresentation
bin110010010011100101…
…001000000000010100
312011102102212022002222
4302103211020000110
51341110442343140
640451525321512
73621361641311
oct622345100024
9164372768088
1054015590420
11209a9435620
12a575866298
13512a98c72c
142885b81d08
1516121995b5
hexc93948014

54015590420 has 48 divisors (see below), whose sum is σ = 123779311488. Its totient is φ = 19636556160.

The previous prime is 54015590401. The next prime is 54015590467. The reversal of 54015590420 is 2409551045.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803009 + ... + 867671.

It is an arithmetic number, because the mean of its divisors is an integer number (2578735656).

Almost surely, 254015590420 is an apocalyptic number.

It is an amenable number.

54015590420 is an abundant number, since it is smaller than the sum of its proper divisors (69763721068).

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

54015590420 is a wasteful number, since it uses less digits than its factorization.

54015590420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68480 (or 68478 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 54015590420 in words is "fifty-four billion, fifteen million, five hundred ninety thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 3797 7594 15188 18985 37970 41767 64663 75940 83534 129326 167068 208835 258652 323315 417670 646630 711293 835340 1293260 1422586 2845172 3556465 7112930 14225860 245525411 491050822 982101644 1227627055 2455254110 2700779521 4910508220 5401559042 10803118084 13503897605 27007795210 54015590420