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41749221680 = 245521865271
BaseRepresentation
bin100110111000011100…
…101001000100110000
310222202120112012112122
4212320130221010300
51141000300043210
631102422413412
73005404346315
oct467034510460
9128676465478
1041749221680
11167843901a1
128111891268
133c245a3b8a
142040a26d0c
15114535eb55
hex9b8729130

41749221680 has 20 divisors (see below), whose sum is σ = 97066940592. Its totient is φ = 16699688640.

The previous prime is 41749221611. The next prime is 41749221733. The reversal of 41749221680 is 8612294714.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260932556 + ... + 260932715.

Almost surely, 241749221680 is an apocalyptic number.

41749221680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

41749221680 is an abundant number, since it is smaller than the sum of its proper divisors (55317718912).

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

41749221680 is a wasteful number, since it uses less digits than its factorization.

41749221680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521865284 (or 521865278 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 41749221680 in words is "forty-one billion, seven hundred forty-nine million, two hundred twenty-one thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 521865271 1043730542 2087461084 2609326355 4174922168 5218652710 8349844336 10437305420 20874610840 41749221680