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14408503681 = 11131931716729
BaseRepresentation
bin11010110101101000…
…00101000110000001
31101012011010211021111
431122310011012001
5214002034104211
610341424123321
71020025155235
oct153264050601
941164124244
1014408503681
116124252090
122961466541
131488139c30
149a98525c5
15594e26421
hex35ad05181

14408503681 has 32 divisors (see below), whose sum is σ = 17875670400. Its totient is φ = 11417863680.

The previous prime is 14408503673. The next prime is 14408503729. The reversal of 14408503681 is 18630580441.

It is a cyclic number.

It is not a de Polignac number, because 14408503681 - 23 = 14408503673 is a prime.

It is a super-2 number, since 2×144085036812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14408503601) 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, 852925 + ... + 869653.

It is an arithmetic number, because the mean of its divisors is an integer number (558614700).

Almost surely, 214408503681 is an apocalyptic number.

14408503681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14408503681 is a deficient number, since it is larger than the sum of its proper divisors (3467166719).

14408503681 is a wasteful number, since it uses less digits than its factorization.

14408503681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17089.

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 14408503681 in words is "fourteen billion, four hundred eight million, five hundred three thousand, six hundred eighty-one".

Divisors: 1 11 13 19 143 209 247 317 2717 3487 4121 6023 16729 45331 66253 78299 184019 217477 317851 861289 2392247 3496361 4132063 5303093 45452693 58334023 68940209 100758767 758342299 1108346437 1309863971 14408503681