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20623534341 = 347724720183
BaseRepresentation
bin10011001101010000…
…100010100100000101
31222020021211002120020
4103031100202210011
5314214111044331
613250241525353
71330033102164
oct231520424405
958207732506
1020623534341
1188234a1663
123bb6943859
131c38923577
14dd90373db
1580a886c96
hex4cd422905

20623534341 has 16 divisors (see below), whose sum is σ = 28088377344. Its totient is φ = 13453967024.

The previous prime is 20623534319. The next prime is 20623534369. The reversal of 20623534341 is 14343532602.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20623534341 - 29 = 20623533829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20623532341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011736 + ... + 1031918.

It is an arithmetic number, because the mean of its divisors is an integer number (1755523584).

Almost surely, 220623534341 is an apocalyptic number.

It is an amenable number.

20623534341 is a deficient number, since it is larger than the sum of its proper divisors (7464843003).

20623534341 is a wasteful number, since it uses less digits than its factorization.

20623534341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27480.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 20623534341 in words is "twenty billion, six hundred twenty-three million, five hundred thirty-four thousand, three hundred forty-one".

Divisors: 1 3 47 141 7247 20183 21741 60549 340609 948601 1021827 2845803 146266201 438798603 6874511447 20623534341