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20061381076 = 2211455940479
BaseRepresentation
bin10010101011110000…
…000110000111010100
31220210010000202020221
4102223300012013110
5312041203143301
613114401004124
71310065632322
oct225360060724
956703022227
1020061381076
118565143590
123a7a623644
131b793193b9
14d84502d12
157c6342da1
hex4abc061d4

20061381076 has 12 divisors (see below), whose sum is σ = 38299000320. Its totient is φ = 9118809560.

The previous prime is 20061381049. The next prime is 20061381077. The reversal of 20061381076 is 67018316002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20061381077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227970196 + ... + 227970283.

It is an arithmetic number, because the mean of its divisors is an integer number (3191583360).

Almost surely, 220061381076 is an apocalyptic number.

It is an amenable number.

20061381076 is a deficient number, since it is larger than the sum of its proper divisors (18237619244).

20061381076 is a wasteful number, since it uses less digits than its factorization.

20061381076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455940494 (or 455940492 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 20061381076 its reverse (67018316002), we get a palindrome (87079697078).

The spelling of 20061381076 in words is "twenty billion, sixty-one million, three hundred eighty-one thousand, seventy-six".

Divisors: 1 2 4 11 22 44 455940479 911880958 1823761916 5015345269 10030690538 20061381076