Search a number
-
+
23331034322440 = 2351344867373697
BaseRepresentation
bin1010100111000001011100…
…00000110101011000001000
310001121102110220012201212121
411103200232000311120020
511024223424241304230
6121342043524021024
74625416531421455
oct523405600653010
9101542426181777
1023331034322440
1174856aa6aa879
122749864231774
1310031513a1030
145a9329c2482c
152a6d615c377a
hex15382e035608

23331034322440 has 32 divisors (see below), whose sum is σ = 56532890859480. Its totient is φ = 8614535749632.

The previous prime is 23331034322417. The next prime is 23331034322443. The reversal of 23331034322440 is 4422343013332.

It can be written as a sum of positive squares in 4 ways, for example, as 9945987683076 + 13385046639364 = 3153726^2 + 3658558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23331034322396 and 23331034322405.

It is not an unprimeable number, because it can be changed into a prime (23331034322443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22433686329 + ... + 22433687368.

Almost surely, 223331034322440 is an apocalyptic number.

23331034322440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23331034322440 is an abundant number, since it is smaller than the sum of its proper divisors (33201856537040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23331034322440 is a wasteful number, since it uses less digits than its factorization.

23331034322440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44867373721 (or 44867373717 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 23331034322440 its reverse (4422343013332), we get a palindrome (27753377335772).

The spelling of 23331034322440 in words is "twenty-three trillion, three hundred thirty-one billion, thirty-four million, three hundred twenty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 44867373697 89734747394 179469494788 224336868485 358938989576 448673736970 583275858061 897347473940 1166551716122 1794694947880 2333103432244 2916379290305 4666206864488 5832758580610 11665517161220 23331034322440