Search a number
-
+
10545085220 = 2254325747711
BaseRepresentation
bin10011101001000100…
…10011101100100100
31000012220102211110212
421310202103230210
5133044020211340
64502213434552
7522213513455
oct116442235444
930186384425
1010545085220
11452147566a
12206363ba58
13cc08c98c7
147206d312c
1541ab7ea65
hex274893b24

10545085220 has 48 divisors (see below), whose sum is σ = 22748318208. Its totient is φ = 4103823360.

The previous prime is 10545085207. The next prime is 10545085237. The reversal of 10545085220 is 2258054501.

It is a super-2 number, since 2×105450852202 (a number of 21 digits) contains 22 as substring.

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, 197165 + ... + 244875.

It is an arithmetic number, because the mean of its divisors is an integer number (473923296).

Almost surely, 210545085220 is an apocalyptic number.

10545085220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10545085220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11374159104).

10545085220 is an abundant number, since it is smaller than the sum of its proper divisors (12203232988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10545085220 is a wasteful number, since it uses less digits than its factorization.

10545085220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48020 (or 48018 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

The spelling of 10545085220 in words is "ten billion, five hundred forty-five million, eighty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 257 430 514 860 1028 1285 2570 5140 11051 22102 44204 47711 55255 95422 110510 190844 221020 238555 477110 954220 2051573 4103146 8206292 10257865 12261727 20515730 24523454 41031460 49046908 61308635 122617270 245234540 527254261 1054508522 2109017044 2636271305 5272542610 10545085220