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118155428720 = 2457230141691
BaseRepresentation
bin110111000001010011…
…1001100001101110000
3102021222110021200101122
41232002213030031300
53413440242204340
6130140240521412
711352000400400
oct1560247141560
9367873250348
10118155428720
114612272844a
121aa96020268
13b1accbcb84
145a0c38a800
153118095db5
hex1b829cc370

118155428720 has 60 divisors (see below), whose sum is σ = 319562218584. Its totient is φ = 40510431360.

The previous prime is 118155428693. The next prime is 118155428749. The reversal of 118155428720 is 27824551811.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 15066926 + ... + 15074765.

Almost surely, 2118155428720 is an apocalyptic number.

118155428720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118155428720 is an abundant number, since it is smaller than the sum of its proper divisors (201406789864).

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

118155428720 is a wasteful number, since it uses less digits than its factorization.

118155428720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30141718 (or 30141705 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 44.

The spelling of 118155428720 in words is "one hundred eighteen billion, one hundred fifty-five million, four hundred twenty-eight thousand, seven hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 392 490 560 784 980 1960 3920 30141691 60283382 120566764 150708455 210991837 241133528 301416910 421983674 482267056 602833820 843967348 1054959185 1205667640 1476942859 1687934696 2109918370 2411335280 2953885718 3375869392 4219836740 5907771436 7384714295 8439673480 11815542872 14769428590 16879346960 23631085744 29538857180 59077714360 118155428720