Search a number
-
+
33042016525431 = 397116689973069
BaseRepresentation
bin1111000001101001100011…
…01010000101110001110111
311022222210012221110200021210
413200310301222011301313
513312330022212303211
6154135143130412503
76650130654254064
oct740646152056167
9138883187420253
1033042016525431
11a58a049a1a211
123857920591133
131558b05a33804
148233565abc6b
153c477307d9a6
hex1e0d31a85c77

33042016525431 has 16 divisors (see below), whose sum is σ = 44510635013600. Its totient is φ = 21800708886528.

The previous prime is 33042016525421. The next prime is 33042016525489. The reversal of 33042016525431 is 13452561024033.

It is not a de Polignac number, because 33042016525431 - 26 = 33042016525367 is a prime.

It is a super-2 number, since 2×330420165254312 (a number of 28 digits) contains 22 as substring.

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 33042016525431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33042016525421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33469965 + ... + 34443033.

It is an arithmetic number, because the mean of its divisors is an integer number (2781914688350).

Almost surely, 233042016525431 is an apocalyptic number.

33042016525431 is a deficient number, since it is larger than the sum of its proper divisors (11468618488169).

33042016525431 is a wasteful number, since it uses less digits than its factorization.

33042016525431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089858.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 33042016525431 its reverse (13452561024033), we get a palindrome (46494577549464).

The spelling of 33042016525431 in words is "thirty-three trillion, forty-two billion, sixteen million, five hundred twenty-five thousand, four hundred thirty-one".

Divisors: 1 3 97 291 116689 350067 973069 2919207 11318833 33956499 94387693 283163079 113546448541 340639345623 11014005508477 33042016525431