Search a number
-
+
33100000531 = 132546153887
BaseRepresentation
bin11110110100111010…
…011110110100010011
310011102210111020122121
4132310322132310103
51020242100004111
623112251515111
72251151235163
oct366472366423
9104383436577
1033100000531
11130460a6344
1264b9158a97
1331766c0440
1418600425a3
15cdad72871
hex7b4e9ed13

33100000531 has 4 divisors (see below), whose sum is σ = 35646154432. Its totient is φ = 30553846632.

The previous prime is 33100000519. The next prime is 33100000573. The reversal of 33100000531 is 13500000133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13500000133 = 38513505583.

It is a cyclic number.

It is not a de Polignac number, because 33100000531 - 213 = 33099992339 is a prime.

It is a super-2 number, since 2×331000005312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33100030531) 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, 1273076931 + ... + 1273076956.

It is an arithmetic number, because the mean of its divisors is an integer number (8911538608).

Almost surely, 233100000531 is an apocalyptic number.

33100000531 is a deficient number, since it is larger than the sum of its proper divisors (2546153901).

33100000531 is a wasteful number, since it uses less digits than its factorization.

33100000531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546153900.

The product of its (nonzero) digits is 135, while the sum is 16.

Adding to 33100000531 its reverse (13500000133), we get a palindrome (46600000664).

The spelling of 33100000531 in words is "thirty-three billion, one hundred million, five hundred thirty-one", and thus it is an aban number.

Divisors: 1 13 2546153887 33100000531