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75528075025 = 52133714814241
BaseRepresentation
bin100011001010111010…
…0101111011100010001
321012221200101202012001
41012111310233130101
52214140141400100
654410324434001
75312441021314
oct1062564573421
9235850352161
1075528075025
112a0386a1717
121277a248901
13717880b070
143926c9a97b
151e70ac8d6a
hex1195d2f711

75528075025 has 48 divisors (see below), whose sum is σ = 103679332848. Its totient is φ = 54217728000.

The previous prime is 75528075013. The next prime is 75528075037. The reversal of 75528075025 is 52057082557.

It is an interprime number because it is at equal distance from previous prime (75528075013) and next prime (75528075037).

It can be written as a sum of positive squares in 24 ways, for example, as 24072143104 + 51455931921 = 155152^2 + 226839^2 .

It is not a de Polignac number, because 75528075025 - 231 = 73380591377 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17806905 + ... + 17811145.

It is an arithmetic number, because the mean of its divisors is an integer number (2159986101).

Almost surely, 275528075025 is an apocalyptic number.

It is an amenable number.

75528075025 is a deficient number, since it is larger than the sum of its proper divisors (28151257823).

75528075025 is a wasteful number, since it uses less digits than its factorization.

75528075025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782 (or 5777 counting only the distinct ones).

The product of its (nonzero) digits is 980000, while the sum is 46.

The spelling of 75528075025 in words is "seventy-five billion, five hundred twenty-eight million, seventy-five thousand, twenty-five".

Divisors: 1 5 13 25 37 65 185 325 481 925 1481 2405 4241 7405 12025 19253 21205 37025 54797 55133 96265 106025 156917 273985 275665 481325 712361 784585 1369925 1378325 2039921 3561805 3922925 6280921 10199605 17809025 31404605 50998025 81651973 157023025 232394077 408259865 1161970385 2041299325 3021123001 5809851925 15105615005 75528075025