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20293681711 = 172235353121
BaseRepresentation
bin10010111001100110…
…010000001000101111
31221101022010211211011
4102321212100020233
5313030140303321
613153420010051
71315616306542
oct227146201057
957338124734
1020293681711
118674288486
123b24390927
131bb54a28b4
14da72d2859
157db92cae1
hex4b999022f

20293681711 has 8 divisors (see below), whose sum is σ = 21583787904. Its totient is φ = 19014282240.

The previous prime is 20293681703. The next prime is 20293681717. The reversal of 20293681711 is 11718639202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20293681711 - 23 = 20293681703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20293681717) 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, 2672770 + ... + 2680351.

It is an arithmetic number, because the mean of its divisors is an integer number (2697973488).

Almost surely, 220293681711 is an apocalyptic number.

20293681711 is a deficient number, since it is larger than the sum of its proper divisors (1290106193).

20293681711 is a wasteful number, since it uses less digits than its factorization.

20293681711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353361.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 20293681711 in words is "twenty billion, two hundred ninety-three million, six hundred eighty-one thousand, seven hundred eleven".

Divisors: 1 17 223 3791 5353121 91003057 1193745983 20293681711