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13421311156430 = 25103139272934351
BaseRepresentation
bin1100001101001110010001…
…1110111110000011001110
31202112001202020202211000022
43003103210132332003032
53224343321124001210
644313355404502142
72553441413343662
oct303234436760316
952461666684008
1013421311156430
114304a45289371
121609181b4a952
13764816514398
143458486968a2
151841bbe92155
hexc34e47be0ce

13421311156430 has 64 divisors (see below), whose sum is σ = 24578113996800. Its totient is φ = 5276067667200.

The previous prime is 13421311156373. The next prime is 13421311156441. The reversal of 13421311156430 is 3465111312431.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390693755 + ... + 390728105.

It is an arithmetic number, because the mean of its divisors is an integer number (384033031200).

Almost surely, 213421311156430 is an apocalyptic number.

13421311156430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13421311156430 is a deficient number, since it is larger than the sum of its proper divisors (11156802840370).

13421311156430 is a wasteful number, since it uses less digits than its factorization.

13421311156430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37329.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 13421311156430 its reverse (3465111312431), we get a palindrome (16886422468861).

The spelling of 13421311156430 in words is "thirteen trillion, four hundred twenty-one billion, three hundred eleven million, one hundred fifty-six thousand, four hundred thirty".

Divisors: 1 2 5 10 103 139 206 278 515 695 1030 1390 2729 5458 13645 14317 27290 28634 34351 68702 71585 143170 171755 281087 343510 379331 562174 758662 1405435 1896655 2810870 3538153 3793310 4774789 7076306 9549578 17690765 23873945 35381530 39071093 47747890 78142186 93743879 187487758 195355465 390710930 468719395 491803267 937438790 983606534 2459016335 4918032670 9655619537 13030399181 19311239074 26060798362 48278097685 65151995905 96556195370 130303991810 1342131115643 2684262231286 6710655578215 13421311156430