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54155300355145 = 511289512893149
BaseRepresentation
bin11000101000001000000110…
…11100001011110001001001
321002202012021222212102022101
430110010003130023301021
524044240023342331040
6311102333532553401
714256406553602033
oct1424040334136111
9232665258772271
1054155300355145
111628a152252100
1260a77b0622861
13242aa90c20082
14d531b8222c53
1563da84bd009a
hex31410370bc49

54155300355145 has 12 divisors (see below), whose sum is σ = 71431288733700. Its totient is φ = 39385672985120.

The previous prime is 54155300355139. The next prime is 54155300355181.

54155300355145 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 29329286585104 + 24826013770041 = 5415652^2 + 4982571^2 .

It is not a de Polignac number, because 54155300355145 - 229 = 54154763484233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54155300355095 and 54155300355104.

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, 44756445970 + ... + 44756447179.

It is an arithmetic number, because the mean of its divisors is an integer number (5952607394475).

Almost surely, 254155300355145 is an apocalyptic number.

54155300355145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54155300355145 is a deficient number, since it is larger than the sum of its proper divisors (17275988378555).

54155300355145 is a wasteful number, since it uses less digits than its factorization.

54155300355145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89512893176 (or 89512893165 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 46.

The spelling of 54155300355145 in words is "fifty-four trillion, one hundred fifty-five billion, three hundred million, three hundred fifty-five thousand, one hundred forty-five".

Divisors: 1 5 11 55 121 605 89512893149 447564465745 984641824639 4923209123195 10831060071029 54155300355145