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813441080750 = 2537614275643
BaseRepresentation
bin10111101011001001101…
…11011101110110101110
32212202122002220101111012
423311210313131312232
5101311411404041000
61421404545225222
7112524554050244
oct13654467356656
92782562811435
10813441080750
11293a843136a1
12111797932212
135b9268443ac
142b52950a794
151625d31e735
hexbd64ddddae

813441080750 has 32 divisors (see below), whose sum is σ = 1524763060704. Its totient is φ = 324948792000.

The previous prime is 813441080747. The next prime is 813441080779. The reversal of 813441080750 is 57080144318.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 813441080698 and 813441080707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947572 + ... + 2328071.

It is an arithmetic number, because the mean of its divisors is an integer number (47648845647).

Almost surely, 2813441080750 is an apocalyptic number.

813441080750 is a deficient number, since it is larger than the sum of its proper divisors (711321979954).

813441080750 is a wasteful number, since it uses less digits than its factorization.

813441080750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276421 (or 4276411 counting only the distinct ones).

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

The spelling of 813441080750 in words is "eight hundred thirteen billion, four hundred forty-one million, eighty thousand, seven hundred fifty".

Divisors: 1 2 5 10 25 50 125 250 761 1522 3805 7610 19025 38050 95125 190250 4275643 8551286 21378215 42756430 106891075 213782150 534455375 1068910750 3253764323 6507528646 16268821615 32537643230 81344108075 162688216150 406720540375 813441080750