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5123250311 = 131237716453
BaseRepresentation
bin1001100010101111…
…01001100010000111
3111020001022002012112
410301113221202013
540443023002221
62204213011235
7240646623554
oct46127514207
914201262175
105123250311
112199a39873
12bab923b1b
1363855307a
143685c5a2b
151eeba015b
hex1315e9887

5123250311 has 8 divisors (see below), whose sum is σ = 5164844784. Its totient is φ = 5081693760.

The previous prime is 5123250289. The next prime is 5123250329. The reversal of 5123250311 is 1130523215.

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 a de Polignac number, because none of the positive numbers 2k-5123250311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123250331) 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, 303161 + ... + 319613.

It is an arithmetic number, because the mean of its divisors is an integer number (645605598).

Almost surely, 25123250311 is an apocalyptic number.

5123250311 is a deficient number, since it is larger than the sum of its proper divisors (41594473).

5123250311 is a wasteful number, since it uses less digits than its factorization.

5123250311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18961.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5123250311 is about 71576.8839151300. The cubic root of 5123250311 is about 1723.9123927279.

Adding to 5123250311 its reverse (1130523215), we get a palindrome (6253773526).

The spelling of 5123250311 in words is "five billion, one hundred twenty-three million, two hundred fifty thousand, three hundred eleven".

Divisors: 1 131 2377 16453 311387 2155343 39108781 5123250311