Search a number
-
+
33050013520 = 2451912162959
BaseRepresentation
bin11110110001111011…
…110010111101010000
310011022022102122100211
4132301323302331100
51020141300413040
623103304253504
72250003323356
oct366173627520
9104268378324
1033050013520
111301a964367
1264a4471294
13316923ac24
14185754d7d6
15cd679b8ea
hex7b1ef2f50

33050013520 has 40 divisors (see below), whose sum is σ = 77243627520. Its totient is φ = 13150784640.

The previous prime is 33050013509. The next prime is 33050013523. The reversal of 33050013520 is 2531005033.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 33050013491 and 33050013500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33050013523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1066200 + ... + 1096759.

It is an arithmetic number, because the mean of its divisors is an integer number (1931090688).

Almost surely, 233050013520 is an apocalyptic number.

It is an amenable number.

33050013520 is an abundant number, since it is smaller than the sum of its proper divisors (44193614000).

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

33050013520 is a wasteful number, since it uses less digits than its factorization.

33050013520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163163 (or 2163157 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

Adding to 33050013520 its reverse (2531005033), we get a palindrome (35581018553).

The spelling of 33050013520 in words is "thirty-three billion, fifty million, thirteen thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 191 382 764 955 1528 1910 3056 3820 7640 15280 2162959 4325918 8651836 10814795 17303672 21629590 34607344 43259180 86518360 173036720 413125169 826250338 1652500676 2065625845 3305001352 4131251690 6610002704 8262503380 16525006760 33050013520