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20815706114 = 278531743067
BaseRepresentation
bin10011011000101101…
…100111100000000010
31222201200102102200022
4103120231213200002
5320112310043424
613321304453442
71334555403560
oct233055474002
958650372608
1020815706114
118911a18105
12404b17a282
131c69699688
14101677ca30
1581c69695e
hex4d8b67802

20815706114 has 16 divisors (see below), whose sum is σ = 35725921728. Its totient is φ = 8910553392.

The previous prime is 20815706113. The next prime is 20815706147. The reversal of 20815706114 is 41160751802.

20815706114 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (20815706113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859592 + ... + 883475.

It is an arithmetic number, because the mean of its divisors is an integer number (2232870108).

Almost surely, 220815706114 is an apocalyptic number.

20815706114 is a deficient number, since it is larger than the sum of its proper divisors (14910215614).

20815706114 is a wasteful number, since it uses less digits than its factorization.

20815706114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743929.

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 20815706114 in words is "twenty billion, eight hundred fifteen million, seven hundred six thousand, one hundred fourteen".

Divisors: 1 2 7 14 853 1706 5971 11942 1743067 3486134 12201469 24402938 1486836151 2973672302 10407853057 20815706114