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7963125891053 = 15172952482557
BaseRepresentation
bin111001111100000111101…
…0010100011111111101101
31001012021012221020120202112
41303320033102203333231
52020431440212003203
624534113131533405
71451213453156354
oct163701722437755
931167187216675
107963125891053
1125a0162a70433
12a873828ba265
13459bc5333598
141d75bb2c899b
15dc214add6d8
hex73e0f4a3fed

7963125891053 has 4 divisors (see below), whose sum is σ = 7963178525340. Its totient is φ = 7963073256768.

The previous prime is 7963125891029. The next prime is 7963125891107. The reversal of 7963125891053 is 3501985213697.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2883159852169 + 5079966038884 = 1697987^2 + 2253878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7963125891053 is a prime.

It is a super-2 number, since 2×79631258910532 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7963125890983 and 7963125891001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7963125891353) 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, 26089550 + ... + 26393007.

It is an arithmetic number, because the mean of its divisors is an integer number (1990794631335).

Almost surely, 27963125891053 is an apocalyptic number.

It is an amenable number.

7963125891053 is a deficient number, since it is larger than the sum of its proper divisors (52634287).

7963125891053 is a wasteful number, since it uses less digits than its factorization.

7963125891053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52634286.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 7963125891053 in words is "seven trillion, nine hundred sixty-three billion, one hundred twenty-five million, eight hundred ninety-one thousand, fifty-three".

Divisors: 1 151729 52482557 7963125891053