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45065738120 = 2351386664881
BaseRepresentation
bin101001111110001000…
…001001011110001000
311022022201010200210212
4221332020021132020
51214243312104440
632411455100252
73153525311414
oct517610113610
9138281120725
1045065738120
1118126486077
128898511688
134332719b40
1422772a1d44
15128b5c6465
hexa7e209788

45065738120 has 32 divisors (see below), whose sum is σ = 109197751320. Its totient is φ = 16639656960.

The previous prime is 45065738093. The next prime is 45065738129. The reversal of 45065738120 is 2183756054.

It can be written as a sum of positive squares in 4 ways, for example, as 37373395684 + 7692342436 = 193322^2 + 87706^2 .

It is a super-2 number, since 2×450657381202 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45065738129) 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, 43331921 + ... + 43332960.

Almost surely, 245065738120 is an apocalyptic number.

45065738120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45065738120 is an abundant number, since it is smaller than the sum of its proper divisors (64132013200).

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

45065738120 is a wasteful number, since it uses less digits than its factorization.

45065738120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86664905 (or 86664901 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 45065738120 in words is "forty-five billion, sixty-five million, seven hundred thirty-eight thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 86664881 173329762 346659524 433324405 693319048 866648810 1126643453 1733297620 2253286906 3466595240 4506573812 5633217265 9013147624 11266434530 22532869060 45065738120