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813241951703 = 4721133257959
BaseRepresentation
bin10111101010110001111…
…11110110010111010111
32212202010020012120210022
423311120333312113113
5101311004414423303
61421333113215355
7112516615351136
oct13653077662727
92782106176708
10813241951703
11293991976035
1211174110155b
135b8c450365c
142b50acb391d
151624aad8438
hexbd58ff65d7

813241951703 has 12 divisors (see below), whose sum is σ = 838266592080. Its totient is φ = 788894981952.

The previous prime is 813241951619. The next prime is 813241951741. The reversal of 813241951703 is 307159142318.

It is a de Polignac number, because none of the positive numbers 2k-813241951703 is a prime.

It is a super-2 number, since 2×8132419517032 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (813241951763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1379363 + ... + 1878596.

It is an arithmetic number, because the mean of its divisors is an integer number (69855549340).

Almost surely, 2813241951703 is an apocalyptic number.

813241951703 is a deficient number, since it is larger than the sum of its proper divisors (25024640377).

813241951703 is a wasteful number, since it uses less digits than its factorization.

813241951703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3258166 (or 3258119 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 813241951703 in words is "eight hundred thirteen billion, two hundred forty-one million, nine hundred fifty-one thousand, seven hundred three".

Divisors: 1 47 113 2209 5311 249617 3257959 153124073 368149367 7196831431 17303020249 813241951703