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52743771648 = 29333815377
BaseRepresentation
bin110001000111110001…
…100001011000000000
312001010210201012202000
4301013301201120000
51331004401143043
640121414024000
73545016443001
oct610761413000
9161123635660
1052743771648
1120406536327
12a27b948000
134c87340949
1427a4cb91a8
15158a6c42d3
hexc47c61600

52743771648 has 80 divisors (see below), whose sum is σ = 156125267760. Its totient is φ = 17581252608.

The previous prime is 52743771599. The next prime is 52743771667. The reversal of 52743771648 is 84617734725.

52743771648 is a `hidden beast` number, since 527 + 4 + 3 + 7 + 71 + 6 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 52743771594 and 52743771603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893865 + ... + 1921512.

It is an arithmetic number, because the mean of its divisors is an integer number (1951565847).

Almost surely, 252743771648 is an apocalyptic number.

It is an amenable number.

52743771648 is an abundant number, since it is smaller than the sum of its proper divisors (103381496112).

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

52743771648 is an equidigital number, since it uses as much as digits as its factorization.

52743771648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815404 (or 3815382 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The spelling of 52743771648 in words is "fifty-two billion, seven hundred forty-three million, seven hundred seventy-one thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 512 576 768 864 1152 1536 1728 2304 3456 4608 6912 13824 3815377 7630754 11446131 15261508 22892262 30523016 34338393 45784524 61046032 68676786 91569048 103015179 122092064 137353572 183138096 206030358 244184128 274707144 366276192 412060716 488368256 549414288 732552384 824121432 976736512 1098828576 1465104768 1648242864 1953473024 2197657152 2930209536 3296485728 4395314304 5860419072 6592971456 8790628608 13185942912 17581257216 26371885824 52743771648