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21160113333 = 3172797148339
BaseRepresentation
bin10011101101001111…
…011011010010110101
32000121200111010120020
4103231033123102311
5321313442111313
613415410355353
71346236665342
oct235517332265
960550433506
1021160113333
118a79372377
12412658bb59
131cc2b45028
14104a3d17c9
1583ca28323
hex4ed3db4b5

21160113333 has 16 divisors (see below), whose sum is σ = 29883983040. Its totient is φ = 13272097536.

The previous prime is 21160113323. The next prime is 21160113353. The reversal of 21160113333 is 33331106112.

It is not a de Polignac number, because 21160113333 - 28 = 21160113077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160113323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68478 + ... + 216816.

It is an arithmetic number, because the mean of its divisors is an integer number (1867748940).

Almost surely, 221160113333 is an apocalyptic number.

It is an amenable number.

21160113333 is a deficient number, since it is larger than the sum of its proper divisors (8723869707).

21160113333 is a wasteful number, since it uses less digits than its factorization.

21160113333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151156.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 21160113333 its reverse (33331106112), we get a palindrome (54491219445).

The spelling of 21160113333 in words is "twenty-one billion, one hundred sixty million, one hundred thirteen thousand, three hundred thirty-three".

Divisors: 1 3 17 51 2797 8391 47549 142647 148339 445017 2521763 7565289 414904183 1244712549 7053371111 21160113333