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52121717203 = 712273233959
BaseRepresentation
bin110000100010101100…
…100100100111010011
311222112110012120110111
4300202230210213103
51323221124422303
635535553142151
73523424200123
oct604254444723
9158473176414
1052121717203
1120117394646
12a12755a957
134bb84c27aa
142746430c83
151550c9bb6d
hexc22b249d3

52121717203 has 8 divisors (see below), whose sum is σ = 53088687360. Its totient is φ = 51161215560.

The previous prime is 52121717201. The next prime is 52121717233. The reversal of 52121717203 is 30271712125.

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 52121717203 - 21 = 52121717201 is a prime.

It is a super-2 number, since 2×521217172032 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52121717201) 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, 1600863 + ... + 1633096.

It is an arithmetic number, because the mean of its divisors is an integer number (6636085920).

Almost surely, 252121717203 is an apocalyptic number.

52121717203 is a deficient number, since it is larger than the sum of its proper divisors (966970157).

52121717203 is a wasteful number, since it uses less digits than its factorization.

52121717203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234257.

The product of its (nonzero) digits is 5880, while the sum is 31.

The spelling of 52121717203 in words is "fifty-two billion, one hundred twenty-one million, seven hundred seventeen thousand, two hundred three".

Divisors: 1 71 227 16117 3233959 229611089 734108693 52121717203