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10243121324430 = 2353122394919209
BaseRepresentation
bin1001010100001110100110…
…0110111010000110001110
31100021020021201220011222210
42111003221212322012032
52320310403024340210
633441342554451250
72105020044453321
oct225035146720616
940236251804883
1010243121324430
11329a0a0a4a525
121195228733b26
13593bcb0b0187
14275aac1667b8
1512b6a8e0ae20
hex950e99ba18e

10243121324430 has 64 divisors (see below), whose sum is σ = 25387846041600. Its totient is φ = 2642205000960.

The previous prime is 10243121324411. The next prime is 10243121324431. The reversal of 10243121324430 is 3442312134201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243121324431) 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, 377335 + ... + 4541874.

It is an arithmetic number, because the mean of its divisors is an integer number (396685094400).

Almost surely, 210243121324430 is an apocalyptic number.

10243121324430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10243121324430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12693923020800).

10243121324430 is an abundant number, since it is smaller than the sum of its proper divisors (15144724717170).

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

10243121324430 is a wasteful number, since it uses less digits than its factorization.

10243121324430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4921489.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 10243121324430 its reverse (3442312134201), we get a palindrome (13685433458631).

The spelling of 10243121324430 in words is "ten trillion, two hundred forty-three billion, one hundred twenty-one million, three hundred twenty-four thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 2239 4478 6717 11195 13434 22390 33585 67170 69409 138818 208227 347045 416454 694090 1041135 2082270 4919209 9838418 14757627 24596045 29515254 49192090 73788135 147576270 152495479 304990958 457486437 762477395 914972874 1524954790 2287432185 4574864370 11014108951 22028217902 33042326853 55070544755 66084653706 110141089510 165211634265 330423268530 341437377481 682874754962 1024312132443 1707186887405 2048624264886 3414373774810 5121560662215 10243121324430