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51656527552201 = 1113361234458407
BaseRepresentation
bin10111011111011001110001…
…11110011001111011001001
320202220022112012222220222121
423233230320332121323021
523232320032023132301
6301510403043451241
713611026623325305
oct1357547076317311
9222808465886877
1051656527552201
1115506457136170
12596346a686b21
1322a9260865650
14ca829151cd05
155e8a88bcd3a1
hex2efb38f99ec9

51656527552201 has 8 divisors (see below), whose sum is σ = 60687389012544. Its totient is φ = 43348135008720.

The previous prime is 51656527552187. The next prime is 51656527552261. The reversal of 51656527552201 is 10225572565615.

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 51656527552201 - 211 = 51656527550153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51656527552261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180617229061 + ... + 180617229346.

It is an arithmetic number, because the mean of its divisors is an integer number (7585923626568).

Almost surely, 251656527552201 is an apocalyptic number.

It is an amenable number.

51656527552201 is a deficient number, since it is larger than the sum of its proper divisors (9030861460343).

51656527552201 is a wasteful number, since it uses less digits than its factorization.

51656527552201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361234458431.

The product of its (nonzero) digits is 6300000, while the sum is 52.

The spelling of 51656527552201 in words is "fifty-one trillion, six hundred fifty-six billion, five hundred twenty-seven million, five hundred fifty-two thousand, two hundred one".

Divisors: 1 11 13 143 361234458407 3973579042477 4696047959291 51656527552201