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5121188245 = 51024237649
BaseRepresentation
bin1001100010011111…
…10010000110010101
3111012220102022120201
410301033302012111
540442011010440
62204100500501
7240623244655
oct46117620625
914186368521
105121188245
112198860588
12bab0aa731
13637cb0604
1436820a365
151ee8e419a
hex1313f2195

5121188245 has 4 divisors (see below), whose sum is σ = 6145425900. Its totient is φ = 4096950592.

The previous prime is 5121188227. The next prime is 5121188263. The reversal of 5121188245 is 5428811215.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5121188227) and next prime (5121188263).

It can be written as a sum of positive squares in 2 ways, for example, as 2303808004 + 2817380241 = 47998^2 + 53079^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121188245 - 217 = 5121057173 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512118820 + ... + 512118829.

It is an arithmetic number, because the mean of its divisors is an integer number (1536356475).

Almost surely, 25121188245 is an apocalyptic number.

It is an amenable number.

5121188245 is a deficient number, since it is larger than the sum of its proper divisors (1024237655).

5121188245 is a wasteful number, since it uses less digits than its factorization.

5121188245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024237654.

The product of its digits is 25600, while the sum is 37.

The square root of 5121188245 is about 71562.4779126603. The cubic root of 5121188245 is about 1723.6810748502.

The spelling of 5121188245 in words is "five billion, one hundred twenty-one million, one hundred eighty-eight thousand, two hundred forty-five".

Divisors: 1 5 1024237649 5121188245