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20846992141 = 54746378219
BaseRepresentation
bin10011011010100100…
…111101101100001101
31222210212021221001001
4103122210331230031
5320143312222031
613324343220301
71335415336513
oct233244755415
958725257031
1020846992141
118928646828
124059747691
131c73001b11
14101a9a44b3
158202c6861
hex4da93db0d

20846992141 has 8 divisors (see below), whose sum is σ = 20892149280. Its totient is φ = 20801861808.

The previous prime is 20846992121. The next prime is 20846992193. The reversal of 20846992141 is 14129964802.

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 20846992141 - 27 = 20846992013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20846992091 and 20846992100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20846992121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2532330 + ... + 2540548.

It is an arithmetic number, because the mean of its divisors is an integer number (2611518660).

Almost surely, 220846992141 is an apocalyptic number.

It is an amenable number.

20846992141 is a deficient number, since it is larger than the sum of its proper divisors (45157139).

20846992141 is an equidigital number, since it uses as much as digits as its factorization.

20846992141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13403.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 20846992141 in words is "twenty billion, eight hundred forty-six million, nine hundred ninety-two thousand, one hundred forty-one".

Divisors: 1 547 4637 8219 2536439 4495793 38111503 20846992141