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54143243345 = 573265755829
BaseRepresentation
bin110010011011001100…
…000101010001010001
312011202100001202000002
4302123030011101101
51341341132241340
640512325335345
73624501655262
oct623314052121
9164670052002
1054143243345
1120a644a4104
12a5b0567555
13514b265ac9
142898ad0969
15161d4b2715
hexc9b305451

54143243345 has 16 divisors (see below), whose sum is σ = 65887886160. Its totient is φ = 42704400384.

The previous prime is 54143243279. The next prime is 54143243461. The reversal of 54143243345 is 54334234145.

It can be written as a sum of positive squares in 8 ways, for example, as 1399489 + 54141843856 = 1183^2 + 232684^2 .

It is a cyclic number.

It is not a de Polignac number, because 54143243345 - 218 = 54142981201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54143243299 and 54143243308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 941891 + ... + 997719.

It is an arithmetic number, because the mean of its divisors is an integer number (4117992885).

Almost surely, 254143243345 is an apocalyptic number.

It is an amenable number.

54143243345 is a deficient number, since it is larger than the sum of its proper divisors (11744642815).

54143243345 is a wasteful number, since it uses less digits than its factorization.

54143243345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58564.

The product of its digits is 345600, while the sum is 38.

The spelling of 54143243345 in words is "fifty-four billion, one hundred forty-three million, two hundred forty-three thousand, three hundred forty-five".

Divisors: 1 5 73 365 2657 13285 55829 193961 279145 969805 4075517 20377585 148337653 741688265 10828648669 54143243345