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20706634115 = 5107269143881
BaseRepresentation
bin10011010010001101…
…100010100110000011
31222110002012000000122
4103102031202212003
5314401344242430
613302411010455
71332062325446
oct232215424603
958402160018
1020706634115
11886639a762
12401a739a2b
131c4cbca82b
1410060a965d
15812cedee5
hex4d2362983

20706634115 has 16 divisors (see below), whose sum is σ = 25173594720. Its totient is φ = 16349372160.

The previous prime is 20706634099. The next prime is 20706634121. The reversal of 20706634115 is 51143660702.

It is not a de Polignac number, because 20706634115 - 24 = 20706634099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71975 + ... + 215855.

It is an arithmetic number, because the mean of its divisors is an integer number (1573349670).

Almost surely, 220706634115 is an apocalyptic number.

20706634115 is a deficient number, since it is larger than the sum of its proper divisors (4466960605).

20706634115 is a wasteful number, since it uses less digits than its factorization.

20706634115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144262.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 20706634115 in words is "twenty billion, seven hundred six million, six hundred thirty-four thousand, one hundred fifteen".

Divisors: 1 5 107 269 535 1345 28783 143881 143915 719405 15395267 38703989 76976335 193519945 4141326823 20706634115