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118657945930 = 25193145942139
BaseRepresentation
bin110111010000010010…
…0001001000101001010
3102100021110212012102011
41232200210021011022
53421002413232210
6130302151330134
711400311620216
oct1564044110512
9370243765364
10118657945930
1146360354027
121abb638094a
13b260146934
145a58dd9946
153147259d8a
hex1ba090914a

118657945930 has 32 divisors (see below), whose sum is σ = 214843204800. Its totient is φ = 47183772672.

The previous prime is 118657945919. The next prime is 118657945943. The reversal of 118657945930 is 39549756811.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2794801 + ... + 2836939.

It is an arithmetic number, because the mean of its divisors is an integer number (6713850150).

Almost surely, 2118657945930 is an apocalyptic number.

118657945930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118657945930 is a deficient number, since it is larger than the sum of its proper divisors (96185258870).

118657945930 is a wasteful number, since it uses less digits than its factorization.

118657945930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43798.

The product of its (nonzero) digits is 8164800, while the sum is 58.

The spelling of 118657945930 in words is "one hundred eighteen billion, six hundred fifty-seven million, nine hundred forty-five thousand, nine hundred thirty".

Divisors: 1 2 5 10 193 386 965 1459 1930 2918 7295 14590 42139 84278 210695 281587 421390 563174 1407935 2815870 8132827 16265654 40664135 61480801 81328270 122961602 307404005 614808010 11865794593 23731589186 59328972965 118657945930