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80799000286 = 256003721381
BaseRepresentation
bin100101100111111111…
…1101110011011011110
321201120000120111100011
41023033333232123132
52310434021002121
6101041334553434
75560163112334
oct1131777563336
9251500514304
1080799000286
11312a2a248a4
12137ab50887a
137808827954
143ca6d23b54
15217d6e97e1
hex12cffee6de

80799000286 has 8 divisors (see below), whose sum is σ = 121200832584. Its totient is φ = 40398722760.

The previous prime is 80799000257. The next prime is 80799000287. The reversal of 80799000286 is 68200099708.

80799000286 = T232089 + T232090 + T232091.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80799000287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248685 + ... + 472696.

It is an arithmetic number, because the mean of its divisors is an integer number (15150104073).

Almost surely, 280799000286 is an apocalyptic number.

80799000286 is the 232091-st centered triangular number.

80799000286 is a deficient number, since it is larger than the sum of its proper divisors (40401832298).

80799000286 is a wasteful number, since it uses less digits than its factorization.

80799000286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777386.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 80799000286 in words is "eighty billion, seven hundred ninety-nine million, two hundred eighty-six", and thus it is an aban number.

Divisors: 1 2 56003 112006 721381 1442762 40399500143 80799000286