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813275014028 = 221453139930319
BaseRepresentation
bin10111101010110101111…
…01111110001110001100
32212202012112102022202212
423311122331332032030
5101311041400422103
61421340254005552
7112520466362561
oct13653275761614
92782175368685
10813275014028
112939a95a8274
121117501a68b8
135b8cb30b469
142b51143c868
151624d9697d8
hexbd5af7e38c

813275014028 has 12 divisors (see below), whose sum is σ = 1424210796960. Its totient is φ = 406357643472.

The previous prime is 813275014021. The next prime is 813275014039. The reversal of 813275014028 is 820410572318.

It is a super-2 number, since 2×8132750140282 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (813275014021) 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, 69959348 + ... + 69970971.

It is an arithmetic number, because the mean of its divisors is an integer number (118684233080).

Almost surely, 2813275014028 is an apocalyptic number.

It is an amenable number.

813275014028 is a deficient number, since it is larger than the sum of its proper divisors (610935782932).

813275014028 is a wasteful number, since it uses less digits than its factorization.

813275014028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139931776 (or 139931774 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 813275014028 in words is "eight hundred thirteen billion, two hundred seventy-five million, fourteen thousand, twenty-eight".

Divisors: 1 2 4 1453 2906 5812 139930319 279860638 559721276 203318753507 406637507014 813275014028