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5146590781 = 191571725307
BaseRepresentation
bin1001100101100001…
…01011111000111101
3111021200012220022101
410302300223320331
541020011401111
62210405145101
7241352204563
oct46260537075
914250186271
105146590781
112201130912
12bb76bb191
13640335ab7
1436b73da33
15201c60bc1
hex132c2be3d

5146590781 has 8 divisors (see below), whose sum is σ = 5451973280. Its totient is φ = 4844659248.

The previous prime is 5146590749. The next prime is 5146590797. The reversal of 5146590781 is 1870956415.

5146590781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5146590781 - 25 = 5146590749 is a prime.

It is a super-2 number, since 2×51465907812 = 52974793334148379922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5146590181) 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, 859671 + ... + 865636.

It is an arithmetic number, because the mean of its divisors is an integer number (681496660).

Almost surely, 25146590781 is an apocalyptic number.

It is an amenable number.

5146590781 is a deficient number, since it is larger than the sum of its proper divisors (305382499).

5146590781 is a wasteful number, since it uses less digits than its factorization.

5146590781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725483.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 5146590781 is about 71739.7433853788. The cubic root of 5146590781 is about 1726.5263567498.

The spelling of 5146590781 in words is "five billion, one hundred forty-six million, five hundred ninety thousand, seven hundred eighty-one".

Divisors: 1 19 157 2983 1725307 32780833 270873199 5146590781