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52163540253 = 321119231205731
BaseRepresentation
bin110000100101001100…
…000111010100011101
311222122100220101220100
4300211030013110131
51323312331242003
635544045411313
73524442530166
oct604514072435
9158570811810
1052163540253
1120138a5a950
12a139569b39
134bc4077066
14274bbda76d
1515547adba3
hexc2530751d

52163540253 has 48 divisors (see below), whose sum is σ = 90285212160. Its totient is φ = 28648144800.

The previous prime is 52163540227. The next prime is 52163540263. The reversal of 52163540253 is 35204536125.

52163540253 is a `hidden beast` number, since 5 + 2 + 1 + 63 + 540 + 2 + 53 = 666.

It is not a de Polignac number, because 52163540253 - 26 = 52163540189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52163540203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 559603 + ... + 646128.

It is an arithmetic number, because the mean of its divisors is an integer number (1880941920).

Almost surely, 252163540253 is an apocalyptic number.

It is an amenable number.

52163540253 is a deficient number, since it is larger than the sum of its proper divisors (38121671907).

52163540253 is a wasteful number, since it uses less digits than its factorization.

52163540253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205790 (or 1205787 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

It can be divided in two parts, 52163 and 540253, that added together give a triangular number (592416 = T1088).

The spelling of 52163540253 in words is "fifty-two billion, one hundred sixty-three million, five hundred forty thousand, two hundred fifty-three".

Divisors: 1 3 9 11 19 23 33 57 69 99 171 207 209 253 437 627 759 1311 1881 2277 3933 4807 14421 43263 1205731 3617193 10851579 13263041 22908889 27731813 39789123 68726667 83195439 119367369 206180001 249586317 251997779 305049943 526904447 755993337 915149829 1580713341 2267980011 2745449487 4742140023 5795948917 17387846751 52163540253