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8149055844 = 2231936439811
BaseRepresentation
bin1111001011011100…
…01011100101100100
3210000220212221002010
413211232023211210
5113142124241334
63424342314220
7405640555206
oct74556134544
923026787063
108149055844
113501a252a6
1216b5128970
139cb3a1347
145743c8776
1532a6400e9
hex1e5b8b964

8149055844 has 48 divisors (see below), whose sum is σ = 20022759680. Its totient is φ = 2572417440.

The previous prime is 8149055843. The next prime is 8149055851. The reversal of 8149055844 is 4485509418.

It is a super-2 number, since 2×81490558442 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8149055793 and 8149055802.

It is not an unprimeable number, because it can be changed into a prime (8149055843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825699 + ... + 835509.

Almost surely, 28149055844 is an apocalyptic number.

It is an amenable number.

8149055844 is an abundant number, since it is smaller than the sum of its proper divisors (11873703836).

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

8149055844 is a wasteful number, since it uses less digits than its factorization.

8149055844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13480 (or 13478 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The square root of 8149055844 is about 90272.1210784371. The cubic root of 8149055844 is about 2012.3449644802.

The spelling of 8149055844 in words is "eight billion, one hundred forty-nine million, fifty-five thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 3643 7286 9811 10929 14572 19622 21858 29433 39244 43716 58866 69217 117732 138434 186409 207651 276868 372818 415302 559227 745636 830604 1118454 2236908 35741473 71482946 107224419 142965892 214448838 428897676 679087987 1358175974 2037263961 2716351948 4074527922 8149055844