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52927765505249 = 178982142609013
BaseRepresentation
bin11000000100011001101001…
…01010010110010011100001
320221101211210222111000011112
430002030310222112103201
523414132030432131444
6304322402500553105
714101622240540465
oct1402146452262341
9227354728430145
1052927765505249
11159565a2892818
125b299096b2795
13236c0b3bba09b
14d0da08c2c4a5
1561bb8ca1069e
hex302334a964e1

52927765505249 has 16 divisors (see below), whose sum is σ = 56739867402960. Its totient is φ = 49194660894720.

The previous prime is 52927765505201. The next prime is 52927765505261. The reversal of 52927765505249 is 94250556772925.

It can be written as a sum of positive squares in 8 ways, for example, as 2171659059025 + 50756106446224 = 1473655^2 + 7124332^2 .

It is a cyclic number.

It is not a de Polignac number, because 52927765505249 - 228 = 52927497069793 is a prime.

It is a super-2 number, since 2×529277655052492 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52927765505299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20062334 + ... + 22546679.

It is an arithmetic number, because the mean of its divisors is an integer number (3546241712685).

Almost surely, 252927765505249 is an apocalyptic number.

It is an amenable number.

52927765505249 is a deficient number, since it is larger than the sum of its proper divisors (3812101897711).

52927765505249 is a wasteful number, since it uses less digits than its factorization.

52927765505249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42609940.

The product of its (nonzero) digits is 476280000, while the sum is 68.

The spelling of 52927765505249 in words is "fifty-two trillion, nine hundred twenty-seven billion, seven hundred sixty-five million, five hundred five thousand, two hundred forty-nine".

Divisors: 1 17 89 821 1513 13957 73069 1242173 42609013 724353221 3792202157 34981999673 64467436669 594693994441 3113397970897 52927765505249