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8130081300813 = 3231372712906161
BaseRepresentation
bin111011001001110111010…
…0110111010000101001101
31001210020011100022011020100
41312103232212322011031
52031200401303111223
625142524025441313
71466243664555213
oct166235646720515
931706140264210
108130081300813
112654a47a4191a
12ab37b7940239
1346c881593184
142016d886ccb3
15e1736ed8043
hex764ee9ba14d

8130081300813 has 48 divisors (see below), whose sum is σ = 12495845619712. Its totient is φ = 5084617536000.

The previous prime is 8130081300799. The next prime is 8130081300839. The reversal of 8130081300813 is 3180031800318.

It is not a de Polignac number, because 8130081300813 - 28 = 8130081300557 is a prime.

It is a Duffinian number.

8130081300813 is a modest number, since divided by 81300813 gives 813 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130081300883) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1344453 + ... + 4250613.

Almost surely, 28130081300813 is an apocalyptic number.

It is an amenable number.

8130081300813 is a deficient number, since it is larger than the sum of its proper divisors (4365764318899).

8130081300813 is a wasteful number, since it uses less digits than its factorization.

8130081300813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906506 (or 2906503 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 8130081300813 in words is "eight trillion, one hundred thirty billion, eighty-one million, three hundred thousand, eight hundred thirteen".

Divisors: 1 3 9 31 37 93 111 271 279 333 813 1147 2439 3441 8401 10027 10323 25203 30081 75609 90243 310837 932511 2797533 2906161 8718483 26155449 90090991 107527957 270272973 322583871 787569631 810818919 967751613 2362708893 3333366667 7088126679 10000100001 24414658561 29140076347 30000300003 73243975683 87420229041 219731927049 262260687123 903342366757 2710027100271 8130081300813