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20533840141 = 149916198461
BaseRepresentation
bin10011000111111010…
…011000100100001101
31222000001001011020211
4103013322120210031
5314023130341031
613233315242421
71324563522103
oct230772304415
958001034224
1020533840141
1187878aa021
123b908a9411
131c2317a889
14dcb169c73
15802a6abb1
hex4c7e9890d

20533840141 has 8 divisors (see below), whose sum is σ = 20562660000. Its totient is φ = 20505043440.

The previous prime is 20533840097. The next prime is 20533840153. The reversal of 20533840141 is 14104833502.

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 20533840141 - 213 = 20533831949 is a prime.

It is a super-2 number, since 2×205338401412 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20533240141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422651 + ... + 2431111.

It is an arithmetic number, because the mean of its divisors is an integer number (2570332500).

Almost surely, 220533840141 is an apocalyptic number.

It is an amenable number.

20533840141 is a deficient number, since it is larger than the sum of its proper divisors (28819859).

20533840141 is a wasteful number, since it uses less digits than its factorization.

20533840141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 20533840141 in words is "twenty billion, five hundred thirty-three million, eight hundred forty thousand, one hundred forty-one".

Divisors: 1 1499 1619 8461 2426881 12683039 13698359 20533840141