Search a number
-
+
118440174945 = 3517961971263
BaseRepresentation
bin110111001001110010…
…1011010010101100001
3102022201022002021210010
41232103211122111201
53420031141044240
6130224411555133
711362025606331
oct1562345322541
9368638067703
10118440174945
1146259433504
121ab5545baa9
13b226ca9971
145a3810d0c1
153133090280
hex1b9395a561

118440174945 has 32 divisors (see below), whose sum is σ = 190873497600. Its totient is φ = 62712840384.

The previous prime is 118440174917. The next prime is 118440174953. The reversal of 118440174945 is 549471044811.

It is not a de Polignac number, because 118440174945 - 27 = 118440174817 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 118440174894 and 118440174903.

It is an unprimeable number.

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, 1626384 + ... + 1697646.

It is an arithmetic number, because the mean of its divisors is an integer number (5964796800).

Almost surely, 2118440174945 is an apocalyptic number.

118440174945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118440174945 is a deficient number, since it is larger than the sum of its proper divisors (72433322655).

118440174945 is a wasteful number, since it uses less digits than its factorization.

118440174945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72069.

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 118440174945 in words is "one hundred eighteen billion, four hundred forty million, one hundred seventy-four thousand, nine hundred forty-five".

Divisors: 1 3 5 15 179 537 619 895 1857 2685 3095 9285 71263 110801 213789 332403 356315 554005 1068945 1662015 12756077 38268231 44111797 63780385 132335391 191341155 220558985 661676955 7896011663 23688034989 39480058315 118440174945