Search a number
-
+
2231332540015 = 51789294954731
BaseRepresentation
bin100000011110000101110…
…010001000111001101111
321220022110101211111002111
4200132011302020321233
5243024232112240030
64425020544104451
7320131333436155
oct40360562107157
97808411744074
102231332540015
11790337059057
12300544905127
1313254c037747
1479dd5d6b3d5
153d09704762a
hex20785c88e6f

2231332540015 has 16 divisors (see below), whose sum is σ = 2866959995040. Its totient is φ = 1661185039360.

The previous prime is 2231332540013. The next prime is 2231332540033. The reversal of 2231332540015 is 5100452331322.

It is not a de Polignac number, because 2231332540015 - 21 = 2231332540013 is a prime.

It is a super-3 number, since 3×22313325400153 (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231332540013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147469801 + ... + 147484930.

It is an arithmetic number, because the mean of its divisors is an integer number (179184999690).

Almost surely, 22231332540015 is an apocalyptic number.

2231332540015 is a deficient number, since it is larger than the sum of its proper divisors (635627455025).

2231332540015 is a wasteful number, since it uses less digits than its factorization.

2231332540015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294954842.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 2231332540015 its reverse (5100452331322), we get a palindrome (7331784871337).

The spelling of 2231332540015 in words is "two trillion, two hundred thirty-one billion, three hundred thirty-two million, five hundred forty thousand, fifteen".

Divisors: 1 5 17 85 89 445 1513 7565 294954731 1474773655 5014230427 25071152135 26250971059 131254855295 446266508003 2231332540015