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20054102342 = 2372391133897
BaseRepresentation
bin10010101011010100…
…010101000101000110
31220202121022221201012
4102223110111011012
5312032322233332
613113541002222
71306650025451
oct225324250506
956677287635
1020054102342
1185610219aa
123a780b3372
131b7796b361
14d8356a498
157c58a63b2
hex4ab515146

20054102342 has 16 divisors (see below), whose sum is σ = 31023449280. Its totient is φ = 9715220928.

The previous prime is 20054102261. The next prime is 20054102351. The reversal of 20054102342 is 24320145002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549263 + ... + 584634.

It is an arithmetic number, because the mean of its divisors is an integer number (1938965580).

Almost surely, 220054102342 is an apocalyptic number.

20054102342 is a deficient number, since it is larger than the sum of its proper divisors (10969346938).

20054102342 is a wasteful number, since it uses less digits than its factorization.

20054102342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134175.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20054102342 its reverse (24320145002), we get a palindrome (44374247344).

The spelling of 20054102342 in words is "twenty billion, fifty-four million, one hundred two thousand, three hundred forty-two".

Divisors: 1 2 37 74 239 478 8843 17686 1133897 2267794 41954189 83908378 271001383 542002766 10027051171 20054102342