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20544342350 = 252758698121
BaseRepresentation
bin10011001000100010…
…011100100101001110
31222000202210201120112
4103020202130211032
5314033322423400
613234332320022
71325052012560
oct231042344516
958022721515
1020544342350
118792822534
123b94313012
131c253b6bbc
14dcc701330
15803942835
hex4c889c94e

20544342350 has 24 divisors (see below), whose sum is σ = 43671402768. Its totient is φ = 7043774400.

The previous prime is 20544342341. The next prime is 20544342391. The reversal of 20544342350 is 5324344502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29348711 + ... + 29349410.

It is an arithmetic number, because the mean of its divisors is an integer number (1819641782).

Almost surely, 220544342350 is an apocalyptic number.

20544342350 is an abundant number, since it is smaller than the sum of its proper divisors (23127060418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20544342350 is a wasteful number, since it uses less digits than its factorization.

20544342350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58698140 (or 58698135 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 20544342350 its reverse (5324344502), we get a palindrome (25868686852).

The spelling of 20544342350 in words is "twenty billion, five hundred forty-four million, three hundred forty-two thousand, three hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 58698121 117396242 293490605 410886847 586981210 821773694 1467453025 2054434235 2934906050 4108868470 10272171175 20544342350