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20954082127 = 112382822459
BaseRepresentation
bin10011100000111101…
…011110101101001111
32000002022210122212211
4103200331132231033
5320403221112002
613343130411251
71341155521306
oct234075365517
960068718784
1020954082127
118983040050
124089590b27
131c8c258784
14102acbd43d
158298cbdd7
hex4e0f5eb4f

20954082127 has 8 divisors (see below), whose sum is σ = 23852868480. Its totient is φ = 18220940760.

The previous prime is 20954082077. The next prime is 20954082131. The reversal of 20954082127 is 72128045902.

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

It is a de Polignac number, because none of the positive numbers 2k-20954082127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20954082127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20954082137) 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, 41410977 + ... + 41411482.

It is an arithmetic number, because the mean of its divisors is an integer number (2981608560).

Almost surely, 220954082127 is an apocalyptic number.

20954082127 is a deficient number, since it is larger than the sum of its proper divisors (2898786353).

20954082127 is a wasteful number, since it uses less digits than its factorization.

20954082127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82822493.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 20954082127 in words is "twenty billion, nine hundred fifty-four million, eighty-two thousand, one hundred twenty-seven".

Divisors: 1 11 23 253 82822459 911047049 1904916557 20954082127