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8725378063 = 75711526259
BaseRepresentation
bin10000010000001001…
…01011010000001111
3211112002100010112111
420020010223100033
5120332144044223
64001451044451
7426136330003
oct101004532017
924462303474
108725378063
113778280756
121836140727
13a908c97cc
145cab6a703
1536103230d
hex20812b40f

8725378063 has 4 divisors (see below), whose sum is σ = 8736905080. Its totient is φ = 8713851048.

The previous prime is 8725378033. The next prime is 8725378069. The reversal of 8725378063 is 3608735278.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3608735278 = 21804367639.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8725378063 is a prime.

It is a super-2 number, since 2×87253780632 (a number of 21 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 = 8725377998 and 8725378016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8725378069) 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, 5762373 + ... + 5763886.

It is an arithmetic number, because the mean of its divisors is an integer number (2184226270).

Almost surely, 28725378063 is an apocalyptic number.

8725378063 is a deficient number, since it is larger than the sum of its proper divisors (11527017).

8725378063 is a wasteful number, since it uses less digits than its factorization.

8725378063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11527016.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 8725378063 is about 93409.7321642665. The cubic root of 8725378063 is about 2058.7079954939.

The spelling of 8725378063 in words is "eight billion, seven hundred twenty-five million, three hundred seventy-eight thousand, sixty-three".

Divisors: 1 757 11526259 8725378063