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20010082850 = 2523717096329
BaseRepresentation
bin10010101000101100…
…011010001000100010
31220122112111112022122
4102220230122020202
5311440040122400
613105325304242
71305603616652
oct225054321042
956575445278
1020010082850
11853919645a
123a65405082
131b6b7c8114
14d7b78c362
157c1aad685
hex4a8b1a222

20010082850 has 48 divisors (see below), whose sum is σ = 38253076200. Its totient is φ = 7781921280.

The previous prime is 20010082843. The next prime is 20010082871. The reversal of 20010082850 is 5828001002.

It is a Cunningham number, because it is equal to 1414572+1.

It can be written as a sum of positive squares in 12 ways, for example, as 3761736889 + 16248345961 = 61333^2 + 127469^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3158486 + ... + 3164814.

Almost surely, 220010082850 is an apocalyptic number.

20010082850 is a deficient number, since it is larger than the sum of its proper divisors (18242993350).

20010082850 is a wasteful number, since it uses less digits than its factorization.

20010082850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8087 (or 8082 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 20010082850 its reverse (5828001002), we get a palindrome (25838083852).

The spelling of 20010082850 in words is "twenty billion, ten million, eighty-two thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 37 50 74 185 370 925 1709 1850 3418 6329 8545 12658 17090 31645 42725 63233 63290 85450 126466 158225 234173 316165 316450 468346 632330 1170865 1580825 2341730 3161650 5854325 10816261 11708650 21632522 54081305 108162610 270406525 400201657 540813050 800403314 2001008285 4002016570 10005041425 20010082850