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812956807141 = 8313771493871
BaseRepresentation
bin10111101010010000000…
…00000110111111100101
32212201101100122201222121
423311020000012333211
5101304413420312031
61421244525425541
7112506553562653
oct13651000067745
92781340581877
10812956807141
11293855a18776
1211168170b2b1
135b87a40746b
142b4c1089dd3
1516230a61011
hexbd48006fe5

812956807141 has 8 divisors (see below), whose sum is σ = 828756964224. Its totient is φ = 797299638240.

The previous prime is 812956807099. The next prime is 812956807147. The reversal of 812956807141 is 141708659218.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 812956807141 - 211 = 812956805093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (812956807147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35735565 + ... + 35758306.

It is an arithmetic number, because the mean of its divisors is an integer number (103594620528).

Almost surely, 2812956807141 is an apocalyptic number.

It is an amenable number.

812956807141 is a deficient number, since it is larger than the sum of its proper divisors (15800157083).

812956807141 is a wasteful number, since it uses less digits than its factorization.

812956807141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71494091.

The product of its (nonzero) digits is 967680, while the sum is 52.

The spelling of 812956807141 in words is "eight hundred twelve billion, nine hundred fifty-six million, eight hundred seven thousand, one hundred forty-one".

Divisors: 1 83 137 11371 71493871 5933991293 9794660327 812956807141