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75452052653 = 606231244611
BaseRepresentation
bin100011001000101001…
…0101111010010101101
321012202101100102002122
41012101102233102231
52214011211141103
654355011202325
75310525602615
oct1062122572255
9235671312078
1075452052653
1129aa9797a0a
12127588a63a5
137165b41303
14391ab4ba45
151e690adb38
hex11914af4ad

75452052653 has 4 divisors (see below), whose sum is σ = 75453357888. Its totient is φ = 75450747420.

The previous prime is 75452052649. The next prime is 75452052701. The reversal of 75452052653 is 35625025457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35625025457 = 75089289351.

It is a cyclic number.

It is not a de Polignac number, because 75452052653 - 22 = 75452052649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75452058653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561683 + ... + 682928.

It is an arithmetic number, because the mean of its divisors is an integer number (18863339472).

Almost surely, 275452052653 is an apocalyptic number.

It is an amenable number.

75452052653 is a deficient number, since it is larger than the sum of its proper divisors (1305235).

75452052653 is a wasteful number, since it uses less digits than its factorization.

75452052653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305234.

The product of its (nonzero) digits is 1260000, while the sum is 44.

The spelling of 75452052653 in words is "seventy-five billion, four hundred fifty-two million, fifty-two thousand, six hundred fifty-three".

Divisors: 1 60623 1244611 75452052653