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23431216622450 = 25271331716245167
BaseRepresentation
bin1010101001111100000010…
…10101111110101101110010
310001222000001202212212201112
411110332001111332231302
511032344112423404300
6121500052522233322
74635564251055050
oct524760125765562
9101860052785645
1023431216622450
117514139a2963a
122765163055842
13100c7288ab4b0
145b011117b1d0
152a977681ce35
hex154f8157eb72

23431216622450 has 96 divisors (see below), whose sum is σ = 53808675024384. Its totient is φ = 7392200336640.

The previous prime is 23431216622441. The next prime is 23431216622479. The reversal of 23431216622450 is 5422661213432.

It is a junction number, because it is equal to n+sod(n) for n = 23431216622398 and 23431216622407.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6680234 + ... + 9564933.

It is an arithmetic number, because the mean of its divisors is an integer number (560507031504).

Almost surely, 223431216622450 is an apocalyptic number.

23431216622450 is an abundant number, since it is smaller than the sum of its proper divisors (30377458401934).

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

23431216622450 is a wasteful number, since it uses less digits than its factorization.

23431216622450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16245516 (or 16245511 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 23431216622450 its reverse (5422661213432), we get a palindrome (28853877835882).

The spelling of 23431216622450 in words is "twenty-three trillion, four hundred thirty-one billion, two hundred sixteen million, six hundred twenty-two thousand, four hundred fifty".

Divisors: 1 2 5 7 10 13 14 25 26 35 50 65 70 91 130 175 182 317 325 350 455 634 650 910 1585 2219 2275 3170 4121 4438 4550 7925 8242 11095 15850 20605 22190 28847 41210 55475 57694 103025 110950 144235 206050 288470 721175 1442350 16245167 32490334 81225835 113716169 162451670 211187171 227432338 406129175 422374342 568580845 812258350 1055935855 1137161690 1478310197 2111871710 2842904225 2956620394 5149717939 5279679275 5685808450 7391550985 10299435878 10559358550 14783101970 25748589695 36048025573 36957754925 51497179390 66946333207 72096051146 73915509850 128742948475 133892666414 180240127865 257485896950 334731666035 360480255730 468624332449 669463332070 901200639325 937248664898 1673658330175 1802401278650 2343121662245 3347316660350 4686243324490 11715608311225 23431216622450