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8349408012 = 22311237155413
BaseRepresentation
bin1111100011010100…
…11101101100001100
3210112212212212120210
413301222131230030
5114044422024022
63500300442420
7413622540261
oct76152355414
923485785523
108349408012
1135a5028900
121750249410
13a30a4ca1a
14592c5d268
1533d018a0c
hex1f1a9db0c

8349408012 has 72 divisors (see below), whose sum is σ = 21992945968. Its totient is φ = 2461726080.

The previous prime is 8349407993. The next prime is 8349408019. The reversal of 8349408012 is 2108049438.

It is a super-2 number, since 2×83494080122 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8349408019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23983 + ... + 131430.

Almost surely, 28349408012 is an apocalyptic number.

It is an amenable number.

8349408012 is an abundant number, since it is smaller than the sum of its proper divisors (13643537956).

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

8349408012 is a wasteful number, since it uses less digits than its factorization.

8349408012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155479 (or 155466 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 8349408012 is about 91375.0951408533. The cubic root of 8349408012 is about 2028.7034204638.

The spelling of 8349408012 in words is "eight billion, three hundred forty-nine million, four hundred eight thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 37 44 66 74 111 121 132 148 222 242 363 407 444 484 726 814 1221 1452 1628 2442 4477 4884 8954 13431 17908 26862 53724 155413 310826 466239 621652 932478 1709543 1864956 3419086 5128629 5750281 6838172 10257258 11500562 17250843 18804973 20514516 23001124 34501686 37609946 56414919 63253091 69003372 75219892 112829838 126506182 189759273 225659676 253012364 379518546 695784001 759037092 1391568002 2087352003 2783136004 4174704006 8349408012