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1051378144 = 25311059857
BaseRepresentation
bin111110101010101…
…100000111100000
32201021100112200021
4332222230013200
54123123100034
6252154403224
735024365255
oct7652540740
92637315607
101051378144
1149a525a63
12254130514
13139a8895b
149d8c342c
156247e6b4
hex3eaac1e0

1051378144 has 24 divisors (see below), whose sum is σ = 2136673728. Its totient is φ = 508730880.

The previous prime is 1051378117. The next prime is 1051378147. The reversal of 1051378144 is 4418731501.

1051378144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10513781442 = 2210792003361769472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051378147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 528937 + ... + 530920.

It is an arithmetic number, because the mean of its divisors is an integer number (89028072).

Almost surely, 21051378144 is an apocalyptic number.

It is an amenable number.

1051378144 is an abundant number, since it is smaller than the sum of its proper divisors (1085295584).

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

1051378144 is a wasteful number, since it uses less digits than its factorization.

1051378144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059898 (or 1059890 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1051378144 is about 32424.9617424601. The cubic root of 1051378144 is about 1016.8408419434.

The spelling of 1051378144 in words is "one billion, fifty-one million, three hundred seventy-eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 1059857 2119714 4239428 8478856 16957712 32855567 33915424 65711134 131422268 262844536 525689072 1051378144