Search a number
-
+
45453403540 = 225171031297927
BaseRepresentation
bin101010010101001110…
…111110010110010100
311100022201121010210101
4222111032332112110
51221042032403130
632514144103444
73166243361326
oct522516762624
9140281533711
1045453403540
1118305296916
128986304b84
134394b3006c
1422b2975616
1512b06501ca
hexa953be594

45453403540 has 48 divisors (see below), whose sum is σ = 102048291072. Its totient is φ = 16945721856.

The previous prime is 45453403529. The next prime is 45453403561. The reversal of 45453403540 is 4530435454.

It is a self number, because there is not a number n which added to its sum of digits gives 45453403540.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 613944 + ... + 683983.

It is an arithmetic number, because the mean of its divisors is an integer number (2126006064).

Almost surely, 245453403540 is an apocalyptic number.

It is an amenable number.

45453403540 is an abundant number, since it is smaller than the sum of its proper divisors (56594887532).

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

45453403540 is a wasteful number, since it uses less digits than its factorization.

45453403540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298056 (or 1298054 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 45453403540 its reverse (4530435454), we get a palindrome (49983838994).

The spelling of 45453403540 in words is "forty-five billion, four hundred fifty-three million, four hundred three thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 85 103 170 206 340 412 515 1030 1751 2060 3502 7004 8755 17510 35020 1297927 2595854 5191708 6489635 12979270 22064759 25958540 44129518 88259036 110323795 133686481 220647590 267372962 441295180 534745924 668432405 1336864810 2272670177 2673729620 4545340354 9090680708 11363350885 22726701770 45453403540