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21434002410 = 23519321711689
BaseRepresentation
bin10011111101100100…
…001110101111101010
32001022202212010202010
4103331210032233222
5322344101034120
613502513020350
71356104004642
oct237544165752
961282763663
1021434002410
1190a9a32287
1241a22546b6
132037800082
141074929522
15856aca7e0
hex4fd90ebea

21434002410 has 64 divisors (see below), whose sum is σ = 54170524800. Its totient is φ = 5412759552.

The previous prime is 21434002393. The next prime is 21434002411. The reversal of 21434002410 is 1420043412.

21434002410 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21434002411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1827846 + ... + 1839534.

It is an arithmetic number, because the mean of its divisors is an integer number (846414450).

Almost surely, 221434002410 is an apocalyptic number.

21434002410 is an abundant number, since it is smaller than the sum of its proper divisors (32736522390).

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

21434002410 is a wasteful number, since it uses less digits than its factorization.

21434002410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14935.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21434002410 its reverse (1420043412), we get a palindrome (22854045822).

The spelling of 21434002410 in words is "twenty-one billion, four hundred thirty-four million, two thousand, four hundred ten".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 3217 6434 9651 11689 16085 19302 23378 32170 35067 48255 58445 61123 70134 96510 116890 122246 175335 183369 222091 305615 350670 366738 444182 611230 666273 916845 1110455 1332546 1833690 2220910 3331365 6662730 37603513 75207026 112810539 188017565 225621078 376035130 564052695 714466747 1128105390 1428933494 2143400241 3572333735 4286800482 7144667470 10717001205 21434002410