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118311310 = 25132339569
BaseRepresentation
bin1110000110101…
…00100110001110
322020121211121101
413003110212032
5220241430220
615423453314
72634425635
oct703244616
9266554541
10118311310
1160869047
123375723a
131b6853c0
14119da51c
15a5c030a
hex70d498e

118311310 has 32 divisors (see below), whose sum is σ = 239319360. Its totient is φ = 41783808.

The previous prime is 118311301. The next prime is 118311341. The reversal of 118311310 is 13113811.

It is a super-2 number, since 2×1183113102 = 27995132147832200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 16795 + ... + 22774.

It is an arithmetic number, because the mean of its divisors is an integer number (7478730).

Almost surely, 2118311310 is an apocalyptic number.

118311310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118311310 is an abundant number, since it is smaller than the sum of its proper divisors (121008050).

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

118311310 is a wasteful number, since it uses less digits than its factorization.

118311310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39612.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 118311310 is about 10877.1002569619. The cubic root of 118311310 is about 490.9177718151.

The spelling of 118311310 in words is "one hundred eighteen million, three hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 230 299 598 1495 2990 39569 79138 197845 395690 514397 910087 1028794 1820174 2571985 4550435 5143970 9100870 11831131 23662262 59155655 118311310