Search a number
-
+
5415555145 = 571113283233
BaseRepresentation
bin1010000101100101…
…01101000001001001
3111222102022201001111
411002302231001021
542042340231040
62253214050321
7251126313340
oct50262550111
914872281044
105415555145
112329a37810
1210717a99a1
13683c88400
14395354b57
1521a68ddea
hex142cad049

5415555145 has 48 divisors (see below), whose sum is σ = 8773529472. Its totient is φ = 3116206080.

The previous prime is 5415555121. The next prime is 5415555157.

5415555145 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5415555145 - 25 = 5415555113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5415555098 and 5415555107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23449 + ... + 106681.

It is an arithmetic number, because the mean of its divisors is an integer number (182781864).

Almost surely, 25415555145 is an apocalyptic number.

5415555145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5415555145 is a deficient number, since it is larger than the sum of its proper divisors (3357974327).

5415555145 is a wasteful number, since it uses less digits than its factorization.

5415555145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83282 (or 83269 counting only the distinct ones).

The product of its digits is 250000, while the sum is 40.

The square root of 5415555145 is about 73590.4555292329. The cubic root of 5415555145 is about 1756.0936028036.

The spelling of 5415555145 in words is "five billion, four hundred fifteen million, five hundred fifty-five thousand, one hundred forty-five".

Divisors: 1 5 7 11 13 35 55 65 77 91 143 169 385 455 715 845 1001 1183 1859 5005 5915 9295 13013 65065 83233 416165 582631 915563 1082029 2913155 4577815 5410145 6408941 7574203 11902319 14066377 32044705 37871015 59511595 70331885 83316233 98464639 154730147 416581165 492323195 773650735 1083111029 5415555145