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45434144540 = 2253376740971
BaseRepresentation
bin101010010100000101…
…100000011100011100
311100021101100200102002
4222110011200130130
51221022120111130
632512215221432
73165620566541
oct522405403434
9140241320362
1045434144540
11182a5432294
12897b977878
134390b48cc5
1422b01a0bc8
1512adae8b45
hexa9416071c

45434144540 has 24 divisors (see below), whose sum is σ = 95694838512. Its totient is φ = 18119727360.

The previous prime is 45434144537. The next prime is 45434144551. The reversal of 45434144540 is 4544143454.

It is a super-3 number, since 3×454341445403 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 45434144494 and 45434144503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3363746 + ... + 3377225.

It is an arithmetic number, because the mean of its divisors is an integer number (3987284938).

Almost surely, 245434144540 is an apocalyptic number.

It is an amenable number.

45434144540 is an abundant number, since it is smaller than the sum of its proper divisors (50260693972).

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

45434144540 is a wasteful number, since it uses less digits than its factorization.

45434144540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6741317 (or 6741315 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 45434144540 its reverse (4544143454), we get a palindrome (49978287994).

The spelling of 45434144540 in words is "forty-five billion, four hundred thirty-four million, one hundred forty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 337 674 1348 1685 3370 6740 6740971 13481942 26963884 33704855 67409710 134819420 2271707227 4543414454 9086828908 11358536135 22717072270 45434144540