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5151147641 = 23921552919
BaseRepresentation
bin1001100110000100…
…00100011001111001
3111021222210102010222
410303002010121321
541022143211031
62211050545425
7241436014103
oct46302043171
914258712128
105151147641
112203763512
12bb9138275
1364126cc73
1436c1a8573
15202360e7b
hex133084679

5151147641 has 4 divisors (see below), whose sum is σ = 5172700800. Its totient is φ = 5129594484.

The previous prime is 5151147629. The next prime is 5151147647. The reversal of 5151147641 is 1467411515.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5151147641 - 210 = 5151146617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5151147647) 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, 10776221 + ... + 10776698.

It is an arithmetic number, because the mean of its divisors is an integer number (1293175200).

Almost surely, 25151147641 is an apocalyptic number.

It is an amenable number.

5151147641 is a deficient number, since it is larger than the sum of its proper divisors (21553159).

5151147641 is a wasteful number, since it uses less digits than its factorization.

5151147641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21553158.

The product of its digits is 16800, while the sum is 35.

The square root of 5151147641 is about 71771.4960203562. The cubic root of 5151147641 is about 1727.0357695735.

The spelling of 5151147641 in words is "five billion, one hundred fifty-one million, one hundred forty-seven thousand, six hundred forty-one".

Divisors: 1 239 21552919 5151147641