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19922948841 = 323259212777
BaseRepresentation
bin10010100011100000…
…000001001011101001
31220102110112122221010
4102203200001023221
5311300233330331
613052533534133
71303465161645
oct224340011351
956373478833
1019922948841
1184a3a92384
123a401a4349
131b5673a833
14d6dd89c25
157b90eae46
hex4a38012e9

19922948841 has 24 divisors (see below), whose sum is σ = 28239896160. Its totient is φ = 12489100096.

The previous prime is 19922948833. The next prime is 19922948867. The reversal of 19922948841 is 14884922991.

It is not a de Polignac number, because 19922948841 - 23 = 19922948833 is a prime.

It is a super-2 number, since 2×199229488412 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19922944841) 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 23 ways as a sum of consecutive naturals, for example, 12756 + ... + 200021.

It is an arithmetic number, because the mean of its divisors is an integer number (1176662340).

Almost surely, 219922948841 is an apocalyptic number.

It is an amenable number.

19922948841 is a deficient number, since it is larger than the sum of its proper divisors (8316947319).

19922948841 is a wasteful number, since it uses less digits than its factorization.

19922948841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212885 (or 212862 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 57.

The spelling of 19922948841 in words is "nineteen billion, nine hundred twenty-two million, nine hundred forty-eight thousand, eight hundred forty-one".

Divisors: 1 3 23 59 69 177 529 1357 1587 4071 31211 93633 212777 638331 4893871 12553843 14681613 37661529 112559033 288738389 337677099 866215167 6640982947 19922948841