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4145420554 = 211261280817
BaseRepresentation
bin1111011100010110…
…0001100100001010
3101200220100011221121
43313011201210022
531442211424204
61523202425454
7204504331132
oct36705414412
911626304847
104145420554
111837a88900
1297836228a
13510aa9092
142b47a9ac2
15193decb54
hexf716190a

4145420554 has 24 divisors (see below), whose sum is σ = 6946875684. Its totient is φ = 1853385600.

The previous prime is 4145420527. The next prime is 4145420563. The reversal of 4145420554 is 4550245414.

It can be written as a sum of positive squares in 2 ways, for example, as 4131018529 + 14402025 = 64273^2 + 3795^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125647 + ... + 155170.

Almost surely, 24145420554 is an apocalyptic number.

4145420554 is a deficient number, since it is larger than the sum of its proper divisors (2801455130).

4145420554 is a wasteful number, since it uses less digits than its factorization.

4145420554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280902 (or 280891 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

The square root of 4145420554 is about 64384.9404286437. The cubic root of 4145420554 is about 1606.4092595570.

Adding to 4145420554 its reverse (4550245414), we get a palindrome (8695665968).

The spelling of 4145420554 in words is "four billion, one hundred forty-five million, four hundred twenty thousand, five hundred fifty-four".

Divisors: 1 2 11 22 61 121 122 242 671 1342 7381 14762 280817 561634 3088987 6177974 17129837 33978857 34259674 67957714 188428207 376856414 2072710277 4145420554