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11706800421 = 361193461719
BaseRepresentation
bin10101110011100011…
…11001100100100101
31010012212102002010210
422321301321210211
5142433420103141
65213353210033
7563051106321
oct127161714445
933185362123
1011706800421
114a68202478
122328700919
1311474a8154
147d0ad8981
15487b56916
hex2b9c79925

11706800421 has 32 divisors (see below), whose sum is σ = 16003975680. Its totient is φ = 7609651200.

The previous prime is 11706800377. The next prime is 11706800447. The reversal of 11706800421 is 12400860711.

It is not a de Polignac number, because 11706800421 - 210 = 11706799397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11706800621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16281700 + ... + 16282418.

It is an arithmetic number, because the mean of its divisors is an integer number (500124240).

Almost surely, 211706800421 is an apocalyptic number.

It is an amenable number.

11706800421 is a deficient number, since it is larger than the sum of its proper divisors (4297175259).

11706800421 is a wasteful number, since it uses less digits than its factorization.

11706800421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437.

The product of its (nonzero) digits is 2688, while the sum is 30.

The spelling of 11706800421 in words is "eleven billion, seven hundred six million, eight hundred thousand, four hundred twenty-one".

Divisors: 1 3 61 183 193 461 579 719 1383 2157 11773 28121 35319 43859 84363 88973 131577 138767 266919 331459 416301 994377 5427353 8464787 16282059 20218999 25394361 60656997 63971587 191914761 3902266807 11706800421