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45588919840 = 255284930749
BaseRepresentation
bin101010011101010011…
…111011011000100000
311100200011121002012121
4222131103323120200
51221331230413330
632535424434024
73202510265512
oct523523733040
9140604532177
1045588919840
1118374836262
128a03778914
1343b6c2a619
1422c696dbb2
1512bc4bd17a
hexa9d4fb620

45588919840 has 24 divisors (see below), whose sum is σ = 107703823500. Its totient is φ = 18235567872.

The previous prime is 45588919807. The next prime is 45588919841. The reversal of 45588919840 is 4891988554.

45588919840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42506893584 + 3082026256 = 206172^2 + 55516^2 .

It is a super-2 number, since 2×455889198402 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45588919841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142465215 + ... + 142465534.

Almost surely, 245588919840 is an apocalyptic number.

45588919840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45588919840 is an abundant number, since it is smaller than the sum of its proper divisors (62114903660).

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

45588919840 is a wasteful number, since it uses less digits than its factorization.

45588919840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284930764 (or 284930756 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 61.

It can be divided in two parts, 45 and 588919840, that added together give a palindrome (588919885).

The spelling of 45588919840 in words is "forty-five billion, five hundred eighty-eight million, nine hundred nineteen thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 284930749 569861498 1139722996 1424653745 2279445992 2849307490 4558891984 5698614980 9117783968 11397229960 22794459920 45588919840