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20662800082 = 2139389191071
BaseRepresentation
bin10011001111100110…
…010100111011010010
31222100000201000000221
4103033212110323102
5314304134100312
613254203303254
71331020621441
oct231746247322
958300630027
1020662800082
118843680591
124007b1ab2a
131c43ac0b32
141000338d58
1580e041207
hex4cf994ed2

20662800082 has 16 divisors (see below), whose sum is σ = 31297593600. Its totient is φ = 10230652080.

The previous prime is 20662800071. The next prime is 20662800133. The reversal of 20662800082 is 28000826602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12607 + ... + 203677.

It is an arithmetic number, because the mean of its divisors is an integer number (1956099600).

Almost surely, 220662800082 is an apocalyptic number.

20662800082 is a deficient number, since it is larger than the sum of its proper divisors (10634793518).

20662800082 is a wasteful number, since it uses less digits than its factorization.

20662800082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191601.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 20662800082 in words is "twenty billion, six hundred sixty-two million, eight hundred thousand, eighty-two".

Divisors: 1 2 139 278 389 778 54071 108142 191071 382142 26558869 53117738 74326619 148653238 10331400041 20662800082