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20672924282 = 229694751307
BaseRepresentation
bin10011010000001100…
…111100101001111010
31222100201202100211022
4103100030330221322
5314314232034112
613255204302442
71331202646163
oct232014745172
958321670738
1020672924282
118849365a9a
12400b3a1a22
131c45c2709a
14100181276a
1580ed90d72
hex4d033ca7a

20672924282 has 16 divisors (see below), whose sum is σ = 32083918560. Its totient is φ = 9978401328.

The previous prime is 20672924281. The next prime is 20672924287. The reversal of 20672924282 is 28242927602.

It is not an unprimeable number, because it can be changed into a prime (20672924281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377273 + ... + 428579.

It is an arithmetic number, because the mean of its divisors is an integer number (2005244910).

Almost surely, 220672924282 is an apocalyptic number.

20672924282 is a deficient number, since it is larger than the sum of its proper divisors (11410994278).

20672924282 is a wasteful number, since it uses less digits than its factorization.

20672924282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58285.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 20672924282 in words is "twenty billion, six hundred seventy-two million, nine hundred twenty-four thousand, two hundred eighty-two".

Divisors: 1 2 29 58 6947 13894 51307 102614 201463 402926 1487903 2975806 356429729 712859458 10336462141 20672924282