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118383681340 = 225231861138289
BaseRepresentation
bin110111001000000110…
…1111001111100111100
3102022120100210010010101
41232100031321330330
53414422210300330
6130215033050444
711360441455051
oct1562015717474
9368510703111
10118383681340
114622a557a81
121ab3a556a24
13b2183899b2
145a30805028
15312d1314ca
hex1b90379f3c

118383681340 has 48 divisors (see below), whose sum is σ = 259555947840. Its totient is φ = 45269959680.

The previous prime is 118383681319. The next prime is 118383681341. The reversal of 118383681340 is 43186383811.

It is a super-3 number, since 3×1183836813403 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118383681341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786916 + ... + 925204.

It is an arithmetic number, because the mean of its divisors is an integer number (5407415580).

Almost surely, 2118383681340 is an apocalyptic number.

118383681340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118383681340 is an abundant number, since it is smaller than the sum of its proper divisors (141172266500).

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

118383681340 is a wasteful number, since it uses less digits than its factorization.

118383681340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140182 (or 140180 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 118383681340 in words is "one hundred eighteen billion, three hundred eighty-three million, six hundred eighty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 1861 3722 7444 9305 18610 37220 42803 85606 138289 171212 214015 276578 428030 553156 691445 856060 1382890 2765780 3180647 6361294 12722588 15903235 31806470 63612940 257355829 514711658 1029423316 1286779145 2573558290 5147116580 5919184067 11838368134 23676736268 29595920335 59191840670 118383681340