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47155144225 = 527269457967
BaseRepresentation
bin101011111010101010…
…100110011000100001
311111201022201112011011
4223322222212120201
51233033204103400
633355054220521
73256356053410
oct537252463041
9144638645134
1047155144225
1118aa8938882
1291801b4741
1345a6568a07
1423d4991477
15135ec498ba
hexafaaa6621

47155144225 has 12 divisors (see below), whose sum is σ = 66825576064. Its totient is φ = 32334955920.

The previous prime is 47155144219. The next prime is 47155144273. The reversal of 47155144225 is 52244155174.

47155144225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47155144225 - 219 = 47154619937 is a prime.

It is a Duffinian number.

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, 134728809 + ... + 134729158.

Almost surely, 247155144225 is an apocalyptic number.

It is an amenable number.

47155144225 is a deficient number, since it is larger than the sum of its proper divisors (19670431839).

47155144225 is a wasteful number, since it uses less digits than its factorization.

47155144225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269457984 (or 269457979 counting only the distinct ones).

The product of its digits is 224000, while the sum is 40.

Adding to 47155144225 its reverse (52244155174), we get a palindrome (99399299399).

The spelling of 47155144225 in words is "forty-seven billion, one hundred fifty-five million, one hundred forty-four thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 175 269457967 1347289835 1886205769 6736449175 9431028845 47155144225