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228074180818 = 211411731461583
BaseRepresentation
bin1101010001101001000…
…1111101000011010010
3210210200212210211121011
43110122101331003102
512214043442241233
6252435325121134
722322614356451
oct3243221750322
9723625724534
10228074180818
11887a8a24830
12382516b91aa
13186797106a3
14b078860b98
155dece900cd
hex351a47d0d2

228074180818 has 32 divisors (see below), whose sum is σ = 384525211392. Its totient is φ = 100556841600.

The previous prime is 228074180801. The next prime is 228074180819. The reversal of 228074180818 is 818081470822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (228074180819) 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, 574746 + ... + 886837.

It is an arithmetic number, because the mean of its divisors is an integer number (12016412856).

Almost surely, 2228074180818 is an apocalyptic number.

228074180818 is a deficient number, since it is larger than the sum of its proper divisors (156451030574).

228074180818 is a wasteful number, since it uses less digits than its factorization.

228074180818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461810.

The product of its (nonzero) digits is 458752, while the sum is 49.

The spelling of 228074180818 in words is "two hundred twenty-eight billion, seventy-four million, one hundred eighty thousand, eight hundred eighteen".

Divisors: 1 2 11 22 41 82 173 346 451 902 1903 3806 7093 14186 78023 156046 1461583 2923166 16077413 32154826 59924903 119849806 252853859 505707718 659173933 1318347866 2781392449 5562784898 10367008219 20734016438 114037090409 228074180818