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812812092528 = 24316933585261
BaseRepresentation
bin10111101001111110110…
…00000100010001110000
32212201000021100110212010
423310333120010101300
5101304114343430103
61421222320002520
7112503145535322
oct13647730042160
92781007313763
10812812092528
11293791266517
12111641160440
135b856439207
142b4a9b79612
1516222ec7903
hexbd3f604470

812812092528 has 20 divisors (see below), whose sum is σ = 2099764572488. Its totient is φ = 270937364160.

The previous prime is 812812092457. The next prime is 812812092553. The reversal of 812812092528 is 825290218218.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 16933585261 = 812812092528 / (8 + 1 + 2 + 8 + 1 + 2 + 0 + 9 + 2 + 5 + 2 + 8).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8466792583 + ... + 8466792678.

Almost surely, 2812812092528 is an apocalyptic number.

It is an amenable number.

812812092528 is an abundant number, since it is smaller than the sum of its proper divisors (1286952479960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812812092528 is a wasteful number, since it uses less digits than its factorization.

812812092528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16933585272 (or 16933585266 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 48.

The spelling of 812812092528 in words is "eight hundred twelve billion, eight hundred twelve million, ninety-two thousand, five hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 16933585261 33867170522 50800755783 67734341044 101601511566 135468682088 203203023132 270937364176 406406046264 812812092528