Search a number
-
+
5500005031 = 19215235471
BaseRepresentation
bin1010001111101001…
…10110101010100111
3112012022020012112001
411013310312222213
542231000130111
62305432110131
7253203162043
oct50764665247
915168205461
105500005031
112372678204
121095b35347
13698616061
143a2659023
15222cc11c1
hex147d36aa7

5500005031 has 6 divisors (see below), whose sum is σ = 5804714832. Its totient is φ = 5210530740.

The previous prime is 5500005029. The next prime is 5500005041. The reversal of 5500005031 is 1305000055.

5500005031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5500005031 - 21 = 5500005029 is a prime.

It is a super-2 number, since 2×55000050312 = 60500110682050621922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500005011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7617375 + ... + 7618096.

It is an arithmetic number, because the mean of its divisors is an integer number (967452472).

Almost surely, 25500005031 is an apocalyptic number.

5500005031 is a deficient number, since it is larger than the sum of its proper divisors (304709801).

5500005031 is a wasteful number, since it uses less digits than its factorization.

5500005031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15235509 (or 15235490 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 5500005031 is about 74162.0187899440. The cubic root of 5500005031 is about 1765.1747058805.

Adding to 5500005031 its reverse (1305000055), we get a palindrome (6805005086).

The spelling of 5500005031 in words is "five billion, five hundred million, five thousand, thirty-one".

Divisors: 1 19 361 15235471 289473949 5500005031