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53912743080 = 23357471365571
BaseRepresentation
bin110010001101011100…
…110010110010101000
312011011021100010002020
4302031130302302220
51340403130234310
640433413104440
73616002516660
oct621534626250
9164137303066
1053912743080
1120956379919
12a547328120
13511258cc11
14287624d1a0
151608131170
hexc8d732ca8

53912743080 has 128 divisors (see below), whose sum is σ = 188776673280. Its totient is φ = 12060714240.

The previous prime is 53912743063. The next prime is 53912743081. The reversal of 53912743080 is 8034721935.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (53912743081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 643306 + ... + 722265.

It is an arithmetic number, because the mean of its divisors is an integer number (1474817760).

Almost surely, 253912743080 is an apocalyptic number.

It is an amenable number.

53912743080 is an abundant number, since it is smaller than the sum of its proper divisors (134863930200).

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

53912743080 is a wasteful number, since it uses less digits than its factorization.

53912743080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365639 (or 1365635 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 53912743080 in words is "fifty-three billion, nine hundred twelve million, seven hundred forty-three thousand, eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 47 56 60 70 84 94 105 120 140 141 168 188 210 235 280 282 329 376 420 470 564 658 705 840 940 987 1128 1316 1410 1645 1880 1974 2632 2820 3290 3948 4935 5640 6580 7896 9870 13160 19740 39480 1365571 2731142 4096713 5462284 6827855 8193426 9558997 10924568 13655710 16386852 19117994 20483565 27311420 28676991 32773704 38235988 40967130 47794985 54622840 57353982 64181837 76471976 81934260 95589970 114707964 128363674 143384955 163868520 191179940 192545511 229415928 256727348 286769910 320909185 382359880 385091022 449272859 513454696 573539820 641818370 770182044 898545718 962727555 1147079640 1283636740 1347818577 1540364088 1797091436 1925455110 2246364295 2567273480 2695637154 3594182872 3850910220 4492728590 5391274308 6739092885 7701820440 8985457180 10782548616 13478185770 17970914360 26956371540 53912743080