Search a number
-
+
21230114202 = 2331140018933
BaseRepresentation
bin10011110001011010…
…011101010110011010
32000210120012112201000
4103301122131112122
5321434402123302
613430351005430
71351046664453
oct236132352632
960716175630
1021230114202
119004934030
124145b09876
1320044b406b
14105581412a
15843c5431c
hex4f169d59a

21230114202 has 64 divisors (see below), whose sum is σ = 51485569920. Its totient is φ = 6431040000.

The previous prime is 21230114197. The next prime is 21230114237. The reversal of 21230114202 is 20241103212.

It is a happy number.

21230114202 is a `hidden beast` number, since 2 + 1 + 230 + 11 + 420 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2372128 + ... + 2381060.

It is an arithmetic number, because the mean of its divisors is an integer number (804462030).

Almost surely, 221230114202 is an apocalyptic number.

21230114202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21230114202 is an abundant number, since it is smaller than the sum of its proper divisors (30255455718).

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

21230114202 is a wasteful number, since it uses less digits than its factorization.

21230114202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12956 (or 12950 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21230114202 its reverse (20241103212), we get a palindrome (41471217414).

The spelling of 21230114202 in words is "twenty-one billion, two hundred thirty million, one hundred fourteen thousand, two hundred two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 4001 8002 8933 12003 17866 24006 26799 36009 44011 53598 72018 80397 88022 98263 108027 132033 160794 196526 216054 241191 264066 294789 396099 482382 589578 792198 884367 1188297 1768734 2376594 2653101 5306202 35740933 71481866 107222799 214445598 321668397 393150263 643336794 786300526 965005191 1179450789 1930010382 2358901578 3538352367 7076704734 10615057101 21230114202