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53005080528 = 24323723342697
BaseRepresentation
bin110001010111010110…
…010101011111010000
312001211000102002010200
4301113112111133100
51332023300034103
640203350455200
73554341515321
oct612726253720
9161730362120
1053005080528
112052aa93584
12a333364500
134cc951289a
1427cb89a448
1515a35de0a3
hexc575957d0

53005080528 has 120 divisors (see below), whose sum is σ = 153007258248. Its totient is φ = 17116655616.

The previous prime is 53005080511. The next prime is 53005080547. The reversal of 53005080528 is 82508050035.

53005080528 is a `hidden beast` number, since 5 + 3 + 0 + 0 + 50 + 80 + 528 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3448977984 + 49556102544 = 58728^2 + 222612^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 53005080492 and 53005080501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1220076 + ... + 1262772.

Almost surely, 253005080528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53005080528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76503629124).

53005080528 is an abundant number, since it is smaller than the sum of its proper divisors (100002177720).

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

53005080528 is a wasteful number, since it uses less digits than its factorization.

53005080528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42981 (or 42972 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 53005080528 in words is "fifty-three billion, five million, eighty thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 37 48 72 74 111 144 148 222 233 296 333 444 466 592 666 699 888 932 1332 1398 1776 1864 2097 2664 2796 3728 4194 5328 5592 8388 8621 11184 16776 17242 25863 33552 34484 42697 51726 68968 77589 85394 103452 128091 137936 155178 170788 206904 256182 310356 341576 384273 413808 512364 620712 683152 768546 1024728 1241424 1537092 1579789 2049456 3074184 3159578 4739367 6148368 6319156 9478734 9948401 12638312 14218101 18957468 19896802 25276624 28436202 29845203 37914936 39793604 56872404 59690406 75829872 79587208 89535609 113744808 119380812 159174416 179071218 227489616 238761624 358142436 368090837 477523248 716284872 736181674 1104272511 1432569744 1472363348 2208545022 2944726696 3312817533 4417090044 5889453392 6625635066 8834180088 13251270132 17668360176 26502540264 53005080528