Search a number
-
+
45389066540 = 2254748286241
BaseRepresentation
bin101010010001011001…
…100011000100101100
311100011020112111000112
4222101121203010230
51220424100112130
632503525115152
73164532462026
oct522131430454
9140136474015
1045389066540
1118281a43544
128968858ab8
1343846c502c
1422a81c9016
1512a9b92495
hexa9166312c

45389066540 has 24 divisors (see below), whose sum is σ = 97345063872. Its totient is φ = 17769336320.

The previous prime is 45389066531. The next prime is 45389066549. The reversal of 45389066540 is 4566098354.

It is an interprime number because it is at equal distance from previous prime (45389066531) and next prime (45389066549).

It is a super-2 number, since 2×453890665402 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45389066549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24142181 + ... + 24144060.

It is an arithmetic number, because the mean of its divisors is an integer number (4056044328).

Almost surely, 245389066540 is an apocalyptic number.

It is an amenable number.

45389066540 is an abundant number, since it is smaller than the sum of its proper divisors (51955997332).

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

45389066540 is a wasteful number, since it uses less digits than its factorization.

45389066540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48286297 (or 48286295 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 45389066540 in words is "forty-five billion, three hundred eighty-nine million, sixty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 48286241 96572482 193144964 241431205 482862410 965724820 2269453327 4538906654 9077813308 11347266635 22694533270 45389066540