Search a number
-
+
157120278418 = 23111932124223
BaseRepresentation
bin1001001001010100011…
…0010010111110010010
3120000112222112010122001
42102111012102332102
510033240242402133
6200102520504214
714231405221315
oct2222506227622
9500488463561
10157120278418
11606a8334774
122654b31b06a
1311a7c778c5c
14786729a97c
154148c5687d
hex2495192f92

157120278418 has 16 divisors (see below), whose sum is σ = 243487051776. Its totient is φ = 75962178720.

The previous prime is 157120278401. The next prime is 157120278431. The reversal of 157120278418 is 814872021751.

157120278418 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988146 + ... + 1136077.

It is an arithmetic number, because the mean of its divisors is an integer number (15217940736).

Almost surely, 2157120278418 is an apocalyptic number.

157120278418 is a deficient number, since it is larger than the sum of its proper divisors (86366773358).

157120278418 is a wasteful number, since it uses less digits than its factorization.

157120278418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125449.

The product of its (nonzero) digits is 250880, while the sum is 46.

The spelling of 157120278418 in words is "one hundred fifty-seven billion, one hundred twenty million, two hundred seventy-eight thousand, four hundred eighteen".

Divisors: 1 2 31 62 1193 2386 36983 73966 2124223 4248446 65850913 131701826 2534198039 5068396078 78560139209 157120278418