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5157054720 = 283251721549
BaseRepresentation
bin1001100110110001…
…00110100100000000
3111022101220112010200
410303120212210000
541030201222340
62211421325200
7241540145646
oct46330464400
914271815120
105157054720
1122070285a4
12bbb106800
1364255a88c
1436cca5196
15202b2b330
hex133626900

5157054720 has 324 divisors, whose sum is σ = 18966429300. Its totient is φ = 1293484032.

The previous prime is 5157054719. The next prime is 5157054739. The reversal of 5157054720 is 274507515.

5157054720 is a `hidden beast` number, since 515 + 70 + 5 + 4 + 72 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 103550976 + 5053503744 = 10176^2 + 71088^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3328506 + ... + 3330054.

Almost surely, 25157054720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5157054720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9483214650).

5157054720 is an abundant number, since it is smaller than the sum of its proper divisors (13809374580).

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

5157054720 is a wasteful number, since it uses less digits than its factorization.

5157054720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 5157054720 is about 71812.6362139700. The cubic root of 5157054720 is about 1727.6956768606.

The spelling of 5157054720 in words is "five billion, one hundred fifty-seven million, fifty-four thousand, seven hundred twenty".