Search a number
-
+
21133153301 = 135927553003
BaseRepresentation
bin10011101011101000…
…100101010000010101
32000112210202102100112
4103223220211100111
5321240041401201
613413004452405
71345461560561
oct235350452025
960483672315
1021133153301
118a65128957
12411954a105
131cba395950
1410469b46a1
1583a4a00bb
hex4eba25415

21133153301 has 8 divisors (see below), whose sum is σ = 23144523360. Its totient is φ = 19176889392.

The previous prime is 21133153259. The next prime is 21133153303. The reversal of 21133153301 is 10335133112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21133153301 is a prime.

It is a super-2 number, since 2×211331533012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133153303) 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, 13775735 + ... + 13777268.

It is an arithmetic number, because the mean of its divisors is an integer number (2893065420).

Almost surely, 221133153301 is an apocalyptic number.

It is an amenable number.

21133153301 is a deficient number, since it is larger than the sum of its proper divisors (2011370059).

21133153301 is a wasteful number, since it uses less digits than its factorization.

21133153301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27553075.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 21133153301 its reverse (10335133112), we get a palindrome (31468286413).

The spelling of 21133153301 in words is "twenty-one billion, one hundred thirty-three million, one hundred fifty-three thousand, three hundred one".

Divisors: 1 13 59 767 27553003 358189039 1625627177 21133153301