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42242102421454 = 2132891817758187
BaseRepresentation
bin10011001101011010000011…
…00000100110011111001110
312112120022020202012011022201
421212231001200212133032
521014043311204441304
6225501430504232114
711616614451140155
oct1146550140463716
9175508222164281
1042242102421454
1112506858627491
1248a297676b63a
131a7554a958600
14a6075893459c
154d3c324ea3a4
hex266b418267ce

42242102421454 has 48 divisors (see below), whose sum is σ = 69766436572560. Its totient is φ = 19170787933440.

The previous prime is 42242102421427. The next prime is 42242102421461. The reversal of 42242102421454 is 45412420124224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1565749 + ... + 9323935.

It is an arithmetic number, because the mean of its divisors is an integer number (1453467428595).

Almost surely, 242242102421454 is an apocalyptic number.

42242102421454 is a deficient number, since it is larger than the sum of its proper divisors (27524334151106).

42242102421454 is a wasteful number, since it uses less digits than its factorization.

42242102421454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7758485 (or 7758472 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 37.

Adding to 42242102421454 its reverse (45412420124224), we get a palindrome (87654522545678).

The spelling of 42242102421454 in words is "forty-two trillion, two hundred forty-two billion, one hundred two million, four hundred twenty-one thousand, four hundred fifty-four".

Divisors: 1 2 13 26 89 169 178 181 338 362 1157 2314 2353 4706 15041 16109 30082 30589 32218 61178 209417 418834 2722421 5444842 7758187 15516374 100856431 201712862 690478643 1311133603 1380957286 1404231847 2622267206 2808463694 8976222359 17952444718 18255014011 36510028022 116690890667 124976634383 233381781334 237315182143 249953268766 474630364286 1624696246979 3249392493958 21121051210727 42242102421454