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20142684206 = 219530070637
BaseRepresentation
bin10010110000100110…
…001111100000101110
31220222210000101011222
4102300212033200232
5312223011343311
613130423343342
71312103663561
oct226046174056
956883011158
1020142684206
1185a7024857
123aa18b1b52
131b90114968
14d912284d8
157cd552adb
hex4b098f82e

20142684206 has 8 divisors (see below), whose sum is σ = 31804238280. Its totient is φ = 9541271448.

The previous prime is 20142684179. The next prime is 20142684253. The reversal of 20142684206 is 60248624102.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265035281 + ... + 265035356.

It is an arithmetic number, because the mean of its divisors is an integer number (3975529785).

Almost surely, 220142684206 is an apocalyptic number.

20142684206 is a deficient number, since it is larger than the sum of its proper divisors (11661554074).

20142684206 is a wasteful number, since it uses less digits than its factorization.

20142684206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530070658.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 20142684206 in words is "twenty billion, one hundred forty-two million, six hundred eighty-four thousand, two hundred six".

Divisors: 1 2 19 38 530070637 1060141274 10071342103 20142684206