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45038228380 = 22543360714519
BaseRepresentation
bin101001111100011111…
…001101001110011100
311022020210101001112121
4221330133031032130
51214214241302010
632405033312324
73153042424165
oct517437151634
9138223331477
1045038228380
11181119a6652
12888b2656a4
134329b074a2
14227378076c
151288e903da
hexa7c7cd39c

45038228380 has 48 divisors (see below), whose sum is σ = 96813319680. Its totient is φ = 17590241088.

The previous prime is 45038228369. The next prime is 45038228381. The reversal of 45038228380 is 8382283054.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45038228381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3094761 + ... + 3109279.

It is an arithmetic number, because the mean of its divisors is an integer number (2016944160).

Almost surely, 245038228380 is an apocalyptic number.

It is an amenable number.

45038228380 is an abundant number, since it is smaller than the sum of its proper divisors (51775091300).

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

45038228380 is a wasteful number, since it uses less digits than its factorization.

45038228380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18178 (or 18176 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 45038228380 in words is "forty-five billion, thirty-eight million, two hundred twenty-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 3607 7214 14428 14519 18035 29038 36070 58076 72140 72595 145190 155101 290380 310202 620404 624317 775505 1248634 1551010 2497268 3102020 3121585 6243170 12486340 52370033 104740066 209480132 261850165 523700330 1047400660 2251911419 4503822838 9007645676 11259557095 22519114190 45038228380