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7256130863 = 94711236823
BaseRepresentation
bin1101100000111111…
…11100010100101111
3200201200200122021112
412300133330110233
5104330032141423
63200004022235
7344546044322
oct66037742457
920650618245
107256130863
113093995573
1214a609197b
138b83b4077
144cb9907b9
152c705ea78
hex1b07fc52f

7256130863 has 8 divisors (see below), whose sum is σ = 7271326848. Its totient is φ = 7240952664.

The previous prime is 7256130857. The next prime is 7256130899. The reversal of 7256130863 is 3680316527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7256130863 - 212 = 7256126767 is a prime.

It is a super-2 number, since 2×72561308632 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7256130863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7256130263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060070 + ... + 1066892.

It is an arithmetic number, because the mean of its divisors is an integer number (908915856).

Almost surely, 27256130863 is an apocalyptic number.

7256130863 is a deficient number, since it is larger than the sum of its proper divisors (15195985).

7256130863 is a wasteful number, since it uses less digits than its factorization.

7256130863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8893.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 7256130863 is about 85182.9258889362. The cubic root of 7256130863 is about 1935.9837255557.

The spelling of 7256130863 in words is "seven billion, two hundred fifty-six million, one hundred thirty thousand, eight hundred sixty-three".

Divisors: 1 947 1123 6823 1063481 6461381 7662229 7256130863