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52120002331 = 1092933834261
BaseRepresentation
bin110000100010100110…
…000001111100011011
311222112022222110002201
4300202212001330123
51323220210033311
635535452311031
73523403465365
oct604246017433
9158468873081
1052120002331
11201164231a1
12a126a72477
134bb8042087
142746105d35
151550a5d9c1
hexc22981f1b

52120002331 has 16 divisors (see below), whose sum is σ = 52927902720. Its totient is φ = 51319163520.

The previous prime is 52120002317. The next prime is 52120002343. The reversal of 52120002331 is 13320002125.

It is a cyclic number.

It is not a de Polignac number, because 52120002331 - 27 = 52120002203 is a prime.

It is a super-3 number, since 3×521200023313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52120002299 and 52120002308.

It is not an unprimeable number, because it can be changed into a prime (52120006331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12229741 + ... + 12234001.

It is an arithmetic number, because the mean of its divisors is an integer number (3307993920).

Almost surely, 252120002331 is an apocalyptic number.

52120002331 is a deficient number, since it is larger than the sum of its proper divisors (807900389).

52120002331 is a wasteful number, since it uses less digits than its factorization.

52120002331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046.

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 52120002331 its reverse (13320002125), we get a palindrome (65440004456).

The spelling of 52120002331 in words is "fifty-two billion, one hundred twenty million, two thousand, three hundred thirty-one".

Divisors: 1 109 293 383 4261 31937 41747 112219 464449 1248473 1631963 12231871 136083557 177883967 478165159 52120002331