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53005280029 = 134077329233
BaseRepresentation
bin110001010111010111…
…000110001100011101
312001211000210012210121
4301113113012030131
51332023322430104
640203355034541
73554343306052
oct612727061435
9161730705717
1053005280029
112053010a459
12a33343ba51
134cc9582630
1427cb90d029
1515a362d254
hexc575c631d

53005280029 has 4 divisors (see below), whose sum is σ = 57082609276. Its totient is φ = 48927950784.

The previous prime is 53005280023. The next prime is 53005280051. The reversal of 53005280029 is 92008250035.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36023280804 + 16981999225 = 189798^2 + 130315^2 .

It is a cyclic number.

It is not a de Polignac number, because 53005280029 - 25 = 53005279997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53005279976 and 53005280003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53005280023) 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 3 ways as a sum of consecutive naturals, for example, 2038664604 + ... + 2038664629.

It is an arithmetic number, because the mean of its divisors is an integer number (14270652319).

Almost surely, 253005280029 is an apocalyptic number.

It is an amenable number.

53005280029 is a deficient number, since it is larger than the sum of its proper divisors (4077329247).

53005280029 is a wasteful number, since it uses less digits than its factorization.

53005280029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077329246.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 53005280029 in words is "fifty-three billion, five million, two hundred eighty thousand, twenty-nine".

Divisors: 1 13 4077329233 53005280029