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2083857012 = 223257884917
BaseRepresentation
bin111110000110101…
…0010001001110100
312101020010220102100
41330031102021310
513231431411022
6542440142100
7102432330606
oct17415221164
95336126370
102083857012
1197a312686
124a1a67930
132729581b3
1415aa87176
15c2e291ac
hex7c352274

2083857012 has 18 divisors (see below), whose sum is σ = 5267527538. Its totient is φ = 694618992.

The previous prime is 2083857011. The next prime is 2083857047. The reversal of 2083857012 is 2107583802.

2083857012 is a `hidden beast` number, since 2 + 0 + 83 + 8 + 570 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1869351696 + 214505316 = 43236^2 + 14646^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 57884917 = 2083857012 / (2 + 0 + 8 + 3 + 8 + 5 + 7 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2083857011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28942423 + ... + 28942494.

Almost surely, 22083857012 is an apocalyptic number.

It is an amenable number.

2083857012 is an abundant number, since it is smaller than the sum of its proper divisors (3183670526).

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

2083857012 is a wasteful number, since it uses less digits than its factorization.

2083857012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57884927 (or 57884922 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2083857012 is about 45649.2827106845. The cubic root of 2083857012 is about 1277.2893916645.

The spelling of 2083857012 in words is "two billion, eighty-three million, eight hundred fifty-seven thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 57884917 115769834 173654751 231539668 347309502 520964253 694619004 1041928506 2083857012