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20452849350 = 2352116772
BaseRepresentation
bin10011000011000101…
…011011011011000110
31221210101122101202220
4103003011123123012
5313341412134400
613221303313210
71322561231253
oct230305333306
957711571686
1020452849350
11874611148a
123b6974b806
131c0c46152b
14dc04c642a
157ea8bd7a0
hex4c315b6c6

20452849350 has 36 divisors (see below), whose sum is σ = 50727410604. Its totient is φ = 5453626080.

The previous prime is 20452849331. The next prime is 20452849451. The reversal of 20452849350 is 5394825402.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 1745712 + ... + 1757388.

It is an arithmetic number, because the mean of its divisors is an integer number (1409094739).

Almost surely, 220452849350 is an apocalyptic number.

20452849350 is an abundant number, since it is smaller than the sum of its proper divisors (30274561254).

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

20452849350 is an frugal number, since it uses more digits than its factorization.

20452849350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23369 (or 11687 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 20452849350 in words is "twenty billion, four hundred fifty-two million, eight hundred forty-nine thousand, three hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 11677 23354 35031 58385 70062 116770 175155 291925 350310 583850 875775 1751550 136352329 272704658 409056987 681761645 818113974 1363523290 2045284935 3408808225 4090569870 6817616450 10226424675 20452849350