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144212121212402 = 219831069118136217
BaseRepresentation
bin100000110010100100000000…
…010000011101010111110010
3200220121112200200102022112102
4200302210000100131113302
5122400232411012244102
61230414044530500402
742242660541613655
oct4062440020352762
9626545620368472
10144212121212402
1141a50020905321
1214211337734702
1362611b5b1c819
142787c9247d89c
1511a144cb31402
hex83290041d5f2

144212121212402 has 64 divisors (see below), whose sum is σ = 230864020732800. Its totient is φ = 67365897315840.

The previous prime is 144212121212297. The next prime is 144212121212413. The reversal of 144212121212402 is 204212121212441.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3981872198 + ... + 3981908414.

It is an arithmetic number, because the mean of its divisors is an integer number (3607250323950).

Almost surely, 2144212121212402 is an apocalyptic number.

144212121212402 is a deficient number, since it is larger than the sum of its proper divisors (86651899520398).

144212121212402 is a wasteful number, since it uses less digits than its factorization.

144212121212402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38571.

The product of its (nonzero) digits is 4096, while the sum is 29.

Adding to 144212121212402 its reverse (204212121212441), we get a palindrome (348424242424843).

The spelling of 144212121212402 in words is "one hundred forty-four trillion, two hundred twelve billion, one hundred twenty-one million, two hundred twelve thousand, four hundred two".

Divisors: 1 2 19 38 83 166 1069 1181 1577 2138 2362 3154 20311 22439 36217 40622 44878 72434 88727 98023 177454 196046 688123 1262489 1376246 1685813 1862437 2524978 3006011 3371626 3724874 6012022 23987291 38715973 42772277 47974582 57114209 77431946 85544554 104786587 114228418 209573174 735603487 812673263 1471206974 1625346526 1990945153 3213425759 3550098991 3981890306 6426851518 7100197982 45723564113 61055089421 67451880829 91447128226 122110178842 134903761658 868747718147 1737495436294 3795055821379 7590111642758 72106060606201 144212121212402