Base | Representation |
---|---|
bin | 110111001011110101… |
… | …1110111011100010101 |
3 | 102022220002112201221101 |
4 | 1232113223313130111 |
5 | 3420201244212033 |
6 | 130235310350101 |
7 | 11363522450230 |
oct | 1562753673425 |
9 | 368802481841 |
10 | 118508975893 |
11 | 462942556a0 |
12 | 1ab744bb331 |
13 | b238318799 |
14 | 5a432dc417 |
15 | 313913097d |
hex | 1b97af7715 |
118508975893 has 16 divisors (see below), whose sum is σ = 156442713984. Its totient is φ = 86912616960.
The previous prime is 118508975891. The next prime is 118508975951. The reversal of 118508975893 is 398579805811.
It is a happy number.
It is not a de Polignac number, because 118508975893 - 21 = 118508975891 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (118508975891) 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, 45265680 + ... + 45268297.
It is an arithmetic number, because the mean of its divisors is an integer number (9777669624).
Almost surely, 2118508975893 is an apocalyptic number.
It is an amenable number.
118508975893 is a deficient number, since it is larger than the sum of its proper divisors (37933738091).
118508975893 is a wasteful number, since it uses less digits than its factorization.
118508975893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 90534012.
The product of its (nonzero) digits is 21772800, while the sum is 64.
The spelling of 118508975893 in words is "one hundred eighteen billion, five hundred eight million, nine hundred seventy-five thousand, eight hundred ninety-three".
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