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52570007525 = 5273316611373
BaseRepresentation
bin110000111101011010…
…101010011111100101
312000200200202002011202
4300331122222133211
51330130410220100
640052245412245
73540506456030
oct607532523745
9160620662152
1052570007525
1120327442812
12a23170a085
134c5a341239
142789ba6017
15157a2ed7d5
hexc3d6aa7e5

52570007525 has 48 divisors (see below), whose sum is σ = 74891837568. Its totient is φ = 35858592000.

The previous prime is 52570007521. The next prime is 52570007533.

52570007525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52570007525 - 22 = 52570007521 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52570007521) 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, 38287739 + ... + 38289111.

It is an arithmetic number, because the mean of its divisors is an integer number (1560246616).

Almost surely, 252570007525 is an apocalyptic number.

It is an amenable number.

52570007525 is a deficient number, since it is larger than the sum of its proper divisors (22321830043).

52570007525 is a wasteful number, since it uses less digits than its factorization.

52570007525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 38.

The spelling of 52570007525 in words is "fifty-two billion, five hundred seventy million, seven thousand, five hundred twenty-five".

Divisors: 1 5 7 25 35 175 331 661 1373 1655 2317 3305 4627 6865 8275 9611 11585 16525 23135 34325 48055 57925 115675 218791 240275 454463 907553 1093955 1531537 2272315 3181241 4537765 5469775 6352871 7657685 11361575 15906205 22688825 31764355 38288425 79531025 158821775 300400043 1502000215 2102800301 7510001075 10514001505 52570007525