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52113031125 = 353390735569
BaseRepresentation
bin110000100010001011…
…011011111111010101
311222111211212021101220
4300202023123333111
51323211413444000
635535043040553
73523260312231
oct604213337725
9158454767356
1052113031125
11201124a1671
12a124670159
134bb6770cbc
14274520d5c1
1515501331a0
hexc222dbfd5

52113031125 has 32 divisors (see below), whose sum is σ = 86740717440. Its totient is φ = 27785721600.

The previous prime is 52113031121. The next prime is 52113031189.

52113031125 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52113031125 - 22 = 52113031121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52113031095 and 52113031104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52113031121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1447341 + ... + 1482909.

It is an arithmetic number, because the mean of its divisors is an integer number (2710647420).

Almost surely, 252113031125 is an apocalyptic number.

It is an amenable number.

52113031125 is a deficient number, since it is larger than the sum of its proper divisors (34627686315).

52113031125 is a wasteful number, since it uses less digits than its factorization.

52113031125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39494 (or 39484 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

It can be divided in two parts, 521130 and 31125, that added together give a palindrome (552255).

The spelling of 52113031125 in words is "fifty-two billion, one hundred thirteen million, thirty-one thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 3907 11721 19535 35569 58605 97675 106707 177845 293025 488375 533535 889225 1465125 2667675 4446125 13338375 138968083 416904249 694840415 2084521245 3474202075 10422606225 17371010375 52113031125