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53205555340 = 2257254291383
BaseRepresentation
bin110001100011010011…
…000101100010001100
312002022222122020212201
4301203103011202030
51332431110232330
640235311411244
73562324521100
oct614323054214
9162288566781
1053205555340
1120623170243
12a38a523b24
13502bc05032
14280a363900
1515b5eddeca
hexc634c588c

53205555340 has 36 divisors (see below), whose sum is σ = 129973573296. Its totient is φ = 18241904352.

The previous prime is 53205555331. The next prime is 53205555419. The reversal of 53205555340 is 4355550235.

It is a super-2 number, since 2×532055553402 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53205555340.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27144712 + ... + 27146671.

It is an arithmetic number, because the mean of its divisors is an integer number (3610377036).

Almost surely, 253205555340 is an apocalyptic number.

It is an amenable number.

53205555340 is an abundant number, since it is smaller than the sum of its proper divisors (76768017956).

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

53205555340 is a wasteful number, since it uses less digits than its factorization.

53205555340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54291406 (or 54291397 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 37.

The spelling of 53205555340 in words is "fifty-three billion, two hundred five million, five hundred fifty-five thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 54291383 108582766 217165532 271456915 380039681 542913830 760079362 1085827660 1520158724 1900198405 2660277767 3800396810 5320555534 7600793620 10641111068 13301388835 26602777670 53205555340