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21413431310010 = 23531131177798911
BaseRepresentation
bin1001101111001101100111…
…11101110111011010111010
32210211002210211211112200220
410313212303331313122322
510301314201403410020
6113313110004240510
74340032534644105
oct467466375673272
983732724745626
1021413431310010
116906426800333
12249a0969a0136
13bc437c74420c
145405b65c773c
1527202c243240
hex1379b3f776ba

21413431310010 has 128 divisors (see below), whose sum is σ = 53485633732608. Its totient is φ = 5480721792000.

The previous prime is 21413431310003. The next prime is 21413431310039. The reversal of 21413431310010 is 1001313431412.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 216442455 + ... + 216541365.

It is an arithmetic number, because the mean of its divisors is an integer number (417856513536).

Almost surely, 221413431310010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21413431310010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26742816866304).

21413431310010 is an abundant number, since it is smaller than the sum of its proper divisors (32072202422598).

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

21413431310010 is a wasteful number, since it uses less digits than its factorization.

21413431310010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100860.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21413431310010 its reverse (1001313431412), we get a palindrome (22414744741422).

The spelling of 21413431310010 in words is "twenty-one trillion, four hundred thirteen billion, four hundred thirty-one million, three hundred ten thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 131 155 186 262 310 393 465 655 786 930 1310 1777 1965 3554 3930 4061 5331 8122 8885 10662 12183 17770 20305 24366 26655 40610 53310 55087 60915 98911 110174 121830 165261 197822 232787 275435 296733 330522 465574 494555 550870 593466 698361 826305 989110 1163935 1396722 1483665 1652610 2327870 2967330 3066241 3491805 6132482 6983610 7216397 9198723 12957341 14432794 15331205 18397446 21649191 25914682 30662410 36081985 38872023 43298382 45993615 64786705 72163970 77744046 91987230 108245955 129573410 175764847 194360115 216491910 351529694 388720230 401677571 527294541 803355142 878824235 1054589082 1205032713 1757648470 2008387855 2410065426 2636472705 4016775710 5272945410 5448710257 6025163565 10897420514 12050327130 16346130771 23025194957 27243551285 32692261542 46050389914 54487102570 69075584871 81730653855 115125974785 138151169742 163461307710 230251949570 345377924355 690755848710 713781043667 1427562087334 2141343131001 3568905218335 4282686262002 7137810436670 10706715655005 21413431310010