Search a number
-
+
33115241440 = 255206970259
BaseRepresentation
bin11110110101110100…
…100111101111100000
310011110212011120020201
4132311310213233200
51020310000211230
623113554314544
72251424623261
oct366564475740
9104425146221
1033115241440
1113053766036
126502288a54
1331798c8628
14186208c968
15cdc3835ca
hex7b5d27be0

33115241440 has 24 divisors (see below), whose sum is σ = 78234758280. Its totient is φ = 13246096512.

The previous prime is 33115241437. The next prime is 33115241441. The reversal of 33115241440 is 4414251133.

It is a junction number, because it is equal to n+sod(n) for n = 33115241399 and 33115241408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33115241441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103484970 + ... + 103485289.

It is an arithmetic number, because the mean of its divisors is an integer number (3259781595).

Almost surely, 233115241440 is an apocalyptic number.

It is an amenable number.

33115241440 is an abundant number, since it is smaller than the sum of its proper divisors (45119516840).

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

33115241440 is a wasteful number, since it uses less digits than its factorization.

33115241440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206970274 (or 206970266 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 33115241440 its reverse (4414251133), we get a palindrome (37529492573).

The spelling of 33115241440 in words is "thirty-three billion, one hundred fifteen million, two hundred forty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 206970259 413940518 827881036 1034851295 1655762072 2069702590 3311524144 4139405180 6623048288 8278810360 16557620720 33115241440