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812000814369 = 313115913129841
BaseRepresentation
bin10111101000011110000…
…01010010010100100001
32212121220201210021102220
423310033001102110201
5101300434202024434
61421010015301253
7112444065020013
oct13641701222441
92777821707386
10812000814369
112934053221a8
1211145551a829
135b757337a74
142b4301161b3
15161c6b73d49
hexbd0f052521

812000814369 has 16 divisors (see below), whose sum is σ = 1091009350464. Its totient is φ = 537163660800.

The previous prime is 812000814343. The next prime is 812000814389. The reversal of 812000814369 is 963418000218.

It is not a de Polignac number, because 812000814369 - 29 = 812000813857 is a prime.

It is a super-2 number, since 2×8120008143692 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 812000814369.

It is not an unprimeable number, because it can be changed into a prime (812000814389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6188889 + ... + 6318729.

It is an arithmetic number, because the mean of its divisors is an integer number (68188084404).

Almost surely, 2812000814369 is an apocalyptic number.

It is an amenable number.

812000814369 is a deficient number, since it is larger than the sum of its proper divisors (279008536095).

812000814369 is a wasteful number, since it uses less digits than its factorization.

812000814369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145888.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 812000814369 in words is "eight hundred twelve billion, eight hundred fourteen thousand, three hundred sixty-nine".

Divisors: 1 3 131 393 15913 47739 129841 389523 2084603 6253809 17009171 51027513 2066159833 6198479499 270666938123 812000814369