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8148755460 = 2235139977069
BaseRepresentation
bin1111001011011010…
…00010010000000100
3210000220022200000210
413211231002100010
5113142040133320
63424332035420
7405635164356
oct74555022004
923026280023
108148755460
11350183a64a
1216b5002b70
139cb2c76c1
1457434b0d6
1532a5d10e0
hex1e5b42404

8148755460 has 48 divisors (see below), whose sum is σ = 22980686400. Its totient is φ = 2157366144.

The previous prime is 8148755423. The next prime is 8148755467. The reversal of 8148755460 is 645578418.

It is not an unprimeable number, because it can be changed into a prime (8148755467) 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 15 ways as a sum of consecutive naturals, for example, 480195 + ... + 496874.

It is an arithmetic number, because the mean of its divisors is an integer number (478764300).

Almost surely, 28148755460 is an apocalyptic number.

It is an amenable number.

8148755460 is an abundant number, since it is smaller than the sum of its proper divisors (14831930940).

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

8148755460 is a wasteful number, since it uses less digits than its factorization.

8148755460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977220 (or 977218 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 8148755460 is about 90270.4572936240. The cubic root of 8148755460 is about 2012.3202383578.

The spelling of 8148755460 in words is "eight billion, one hundred forty-eight million, seven hundred fifty-five thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 139 278 417 556 695 834 1390 1668 2085 2780 4170 8340 977069 1954138 2931207 3908276 4885345 5862414 9770690 11724828 14656035 19541380 29312070 58624140 135812591 271625182 407437773 543250364 679062955 814875546 1358125910 1629751092 2037188865 2716251820 4074377730 8148755460