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118513980 = 223251350647
BaseRepresentation
bin1110001000001…
…10000100111100
322021000010121200
413010012010330
5220314421410
615432055500
72636231544
oct704060474
9267003550
10118513980
1160997342
1233834590
131b726720
1411a50324
15a6103c0
hex710613c

118513980 has 72 divisors (see below), whose sum is σ = 387153312. Its totient is φ = 29172096.

The previous prime is 118513979. The next prime is 118514003. The reversal of 118513980 is 89315811.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22984 + ... + 27663.

Almost surely, 2118513980 is an apocalyptic number.

118513980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118513980 is an abundant number, since it is smaller than the sum of its proper divisors (268639332).

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

118513980 is a wasteful number, since it uses less digits than its factorization.

118513980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50675 (or 50670 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The square root of 118513980 is about 10886.4126322678. The cubic root of 118513980 is about 491.1979297217.

The spelling of 118513980 in words is "one hundred eighteen million, five hundred thirteen thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1170 2340 50647 101294 151941 202588 253235 303882 455823 506470 607764 658411 759705 911646 1012940 1316822 1519410 1823292 1975233 2279115 2633644 3038820 3292055 3950466 4558230 5925699 6584110 7900932 9116460 9876165 11851398 13168220 19752330 23702796 29628495 39504660 59256990 118513980