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118556785228 = 22723415384719
BaseRepresentation
bin110111001101010001…
…0001111101001001100
3102100000102111201000111
41232122202033221030
53420301014111403
6130244135205404
711364643022110
oct1563242175114
9370012451014
10118556785228
114630923a542
121ab88516864
13b2451b7a2b
145a497c5740
15313d42656d
hex1b9a88fa4c

118556785228 has 96 divisors (see below), whose sum is σ = 258242826240. Its totient is φ = 46520348160.

The previous prime is 118556785213. The next prime is 118556785229. The reversal of 118556785228 is 822587655811.

It is a happy number.

It is a super-2 number, since 2×1185567852282 (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (118556785229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1357053 + ... + 1441771.

It is an arithmetic number, because the mean of its divisors is an integer number (2690029440).

Almost surely, 2118556785228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118556785228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129121413120).

118556785228 is an abundant number, since it is smaller than the sum of its proper divisors (139686041012).

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

118556785228 is a wasteful number, since it uses less digits than its factorization.

118556785228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84847 (or 84845 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 58.

The spelling of 118556785228 in words is "one hundred eighteen billion, five hundred fifty-six million, seven hundred eighty-five thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 23 28 41 46 53 82 92 106 161 164 212 287 322 371 574 644 742 943 1148 1219 1484 1886 2173 2438 3772 4346 4876 6601 8533 8692 13202 15211 17066 26404 30422 34132 49979 60844 84719 99958 169438 199916 338876 349853 593033 699706 1186066 1399412 1948537 2372132 3473479 3897074 4490107 6946958 7794148 8980214 13639759 13893916 17960428 24314353 27279518 31430749 48628706 54559036 62861498 79890017 97257412 103272461 125722996 159780034 184094387 206544922 319560068 368188774 413089844 559230119 722907227 736377548 1118460238 1288660709 1445814454 2236920476 2577321418 2891628908 4234170901 5154642836 8468341802 16936683604 29639196307 59278392614 118556785228