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20674612011 = 310764406891
BaseRepresentation
bin10011010000010011…
…011000101100101011
31222100211221002221210
4103100103120230223
5314320200041021
613255304404203
71331223205524
oct232023305453
958324832853
1020674612011
11884a309009
12400ba76663
131c46398341
141001b3184b
158100c5e76
hex4d04d8b2b

20674612011 has 8 divisors (see below), whose sum is σ = 27823777344. Its totient is φ = 13654260680.

The previous prime is 20674612001. The next prime is 20674612031. The reversal of 20674612011 is 11021647602.

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 20674612011 - 27 = 20674611883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20674612011.

It is not an unprimeable number, because it can be changed into a prime (20674612001) 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, 32203125 + ... + 32203766.

It is an arithmetic number, because the mean of its divisors is an integer number (3477972168).

Almost surely, 220674612011 is an apocalyptic number.

20674612011 is a deficient number, since it is larger than the sum of its proper divisors (7149165333).

20674612011 is a wasteful number, since it uses less digits than its factorization.

20674612011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64407001.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 20674612011 in words is "twenty billion, six hundred seventy-four million, six hundred twelve thousand, eleven".

Divisors: 1 3 107 321 64406891 193220673 6891537337 20674612011