Search a number
-
+
118755086989 = 7117121722167
BaseRepresentation
bin110111010011001011…
…0101101001010001101
3102100112020122110220011
41232212112231022031
53421202300240424
6130315541353221
711402601404260
oct1564626551215
9370466573804
10118755086989
11464001725a0
121b022a08811
13b2772c9056
145a67c84cd7
153150a47694
hex1ba65ad28d

118755086989 has 16 divisors (see below), whose sum is σ = 150143625216. Its totient is φ = 91233097200.

The previous prime is 118755086929. The next prime is 118755087037. The reversal of 118755086989 is 989680557811.

It is not a de Polignac number, because 118755086989 - 213 = 118755078797 is a prime.

It is a super-2 number, since 2×1187550869892 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118755086929) 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, 10855617 + ... + 10866550.

It is an arithmetic number, because the mean of its divisors is an integer number (9383976576).

Almost surely, 2118755086989 is an apocalyptic number.

It is an amenable number.

118755086989 is a deficient number, since it is larger than the sum of its proper divisors (31388538227).

118755086989 is a wasteful number, since it uses less digits than its factorization.

118755086989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21722256.

The product of its (nonzero) digits is 43545600, while the sum is 67.

The spelling of 118755086989 in words is "one hundred eighteen billion, seven hundred fifty-five million, eighty-six thousand, nine hundred eighty-nine".

Divisors: 1 7 11 71 77 497 781 5467 21722167 152055169 238943837 1542273857 1672606859 10795916999 16965012427 118755086989