Search a number
-
+
33051550001 = 241137143361
BaseRepresentation
bin11110110010000001…
…101010000100110001
310011022102022201000112
4132302001222010301
51020142144100001
623103401231105
72250022353041
oct366201520461
9104272281015
1033051550001
1113020813788
1264a4a92495
1331696583a2
14185782d721
15cd69a1cbb
hex7b206a131

33051550001 has 4 divisors (see below), whose sum is σ = 33188693604. Its totient is φ = 32914406400.

The previous prime is 33051549989. The next prime is 33051550087. The reversal of 33051550001 is 10005515033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10005515033 = 56411773713.

It can be written as a sum of positive squares in 2 ways, for example, as 10378719376 + 22672830625 = 101876^2 + 150575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-33051550001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33051550601) 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, 68571440 + ... + 68571921.

It is an arithmetic number, because the mean of its divisors is an integer number (8297173401).

Almost surely, 233051550001 is an apocalyptic number.

It is an amenable number.

33051550001 is a deficient number, since it is larger than the sum of its proper divisors (137143603).

33051550001 is a wasteful number, since it uses less digits than its factorization.

33051550001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137143602.

The product of its (nonzero) digits is 1125, while the sum is 23.

The spelling of 33051550001 in words is "thirty-three billion, fifty-one million, five hundred fifty thousand, one".

Divisors: 1 241 137143361 33051550001