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51532663071 = 326216553817
BaseRepresentation
bin101111111111100101…
…100000100100011111
311221000101210112002210
4233333211200210133
51321014330204241
635401311451503
73503012260131
oct577745404437
9157011715083
1051532663071
111a94493254a
129ba2226b93
134b2345a156
1426cc0d7051
1515191e2316
hexbff96091f

51532663071 has 8 divisors (see below), whose sum is σ = 68736443184. Its totient is φ = 34341995840.

The previous prime is 51532663069. The next prime is 51532663073. The reversal of 51532663071 is 17036623515.

It is an interprime number because it is at equal distance from previous prime (51532663069) and next prime (51532663073).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51532663071 - 21 = 51532663069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51532663073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3269046 + ... + 3284771.

It is an arithmetic number, because the mean of its divisors is an integer number (8592055398).

Almost surely, 251532663071 is an apocalyptic number.

51532663071 is a deficient number, since it is larger than the sum of its proper divisors (17203780113).

51532663071 is a wasteful number, since it uses less digits than its factorization.

51532663071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6556441.

The product of its (nonzero) digits is 113400, while the sum is 39.

The spelling of 51532663071 in words is "fifty-one billion, five hundred thirty-two million, six hundred sixty-three thousand, seventy-one".

Divisors: 1 3 2621 7863 6553817 19661451 17177554357 51532663071