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5129550451 = 61119370487
BaseRepresentation
bin1001100011011111…
…01011101001110011
3111020111011011101001
410301233223221303
541001131103301
62205000022431
7241054313404
oct46157535163
914214134331
105129550451
1121a25521a3
12bb1a61a17
1363994a86c
143693859ab
152004e6c01
hex131beba73

5129550451 has 8 divisors (see below), whose sum is σ = 5218085664. Its totient is φ = 5041158720.

The previous prime is 5129550443. The next prime is 5129550487. The reversal of 5129550451 is 1540559215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5129550451 - 23 = 5129550443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5129550451.

It is not an unprimeable number, because it can be changed into a prime (5129550431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37530 + ... + 108016.

It is an arithmetic number, because the mean of its divisors is an integer number (652260708).

Almost surely, 25129550451 is an apocalyptic number.

5129550451 is a deficient number, since it is larger than the sum of its proper divisors (88535213).

5129550451 is a wasteful number, since it uses less digits than its factorization.

5129550451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71741.

The product of its (nonzero) digits is 45000, while the sum is 37.

The square root of 5129550451 is about 71620.8799931975. The cubic root of 5129550451 is about 1724.6187438310.

The spelling of 5129550451 in words is "five billion, one hundred twenty-nine million, five hundred fifty thousand, four hundred fifty-one".

Divisors: 1 61 1193 70487 72773 4299707 84090991 5129550451