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54032145520 = 2452281296099
BaseRepresentation
bin110010010100100100…
…010001110001110000
312011110121000101102211
4302110210101301300
51341124212124040
640453320221504
73621652442023
oct622444216160
9164417011384
1054032145520
1120a07812721
12a57b30a894
135131237b52
1428880511ba
1516138698ea
hexc94911c70

54032145520 has 40 divisors (see below), whose sum is σ = 125680237200. Its totient is φ = 21603310080.

The previous prime is 54032145493. The next prime is 54032145539. The reversal of 54032145520 is 2554123045.

It is a tau number, because it is divible by the number of its divisors (40).

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, 34431 + ... + 330529.

It is an arithmetic number, because the mean of its divisors is an integer number (3142005930).

Almost surely, 254032145520 is an apocalyptic number.

It is an amenable number.

54032145520 is an abundant number, since it is smaller than the sum of its proper divisors (71648091680).

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

54032145520 is a wasteful number, since it uses less digits than its factorization.

54032145520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298393 (or 298387 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 54032145520 its reverse (2554123045), we get a palindrome (56586268565).

The spelling of 54032145520 in words is "fifty-four billion, thirty-two million, one hundred forty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2281 4562 9124 11405 18248 22810 36496 45620 91240 182480 296099 592198 1184396 1480495 2368792 2960990 4737584 5921980 11843960 23687920 675401819 1350803638 2701607276 3377009095 5403214552 6754018190 10806429104 13508036380 27016072760 54032145520