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5145245052 = 223428770421
BaseRepresentation
bin1001100101010111…
…00011010101111100
3111021120200112022120
410302223203111330
541014140320202
62210320242540
7241334601303
oct46253432574
914246615276
105145245052
1122003a1842
12bb7170450
1363cc843cc
1436b4ad43a
15201a970bc
hex132ae357c

5145245052 has 12 divisors (see below), whose sum is σ = 12005571816. Its totient is φ = 1715081680.

The previous prime is 5145245029. The next prime is 5145245059. The reversal of 5145245052 is 2505425415.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145245059) 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, 214385199 + ... + 214385222.

It is an arithmetic number, because the mean of its divisors is an integer number (1000464318).

Almost surely, 25145245052 is an apocalyptic number.

It is an amenable number.

5145245052 is an abundant number, since it is smaller than the sum of its proper divisors (6860326764).

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

5145245052 is a wasteful number, since it uses less digits than its factorization.

5145245052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428770428 (or 428770426 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 5145245052 is about 71730.3635289826. The cubic root of 5145245052 is about 1726.3758597686.

The spelling of 5145245052 in words is "five billion, one hundred forty-five million, two hundred forty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 12 428770421 857540842 1286311263 1715081684 2572622526 5145245052