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14857866455 = 5591073831229
BaseRepresentation
bin11011101011001100…
…10000110011010111
31102100110200211010012
431311212100303113
5220412103211310
610454155350435
71034122531625
oct156546206327
942313624105
1014857866455
116334972a83
122a67a5241b
13152a272873
14a0d3c6515
155be5dac05
hex375990cd7

14857866455 has 32 divisors (see below), whose sum is σ = 18363801600. Its totient is φ = 11536008832.

The previous prime is 14857866451. The next prime is 14857866469. The reversal of 14857866455 is 55466875841.

It is a cyclic number.

It is not a de Polignac number, because 14857866455 - 22 = 14857866451 is a prime.

It is a super-2 number, since 2×148578664552 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a junction number, because it is equal to n+sod(n) for n = 14857866394 and 14857866403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14857866451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12088781 + ... + 12090009.

It is an arithmetic number, because the mean of its divisors is an integer number (573868800).

Almost surely, 214857866455 is an apocalyptic number.

14857866455 is a deficient number, since it is larger than the sum of its proper divisors (3505935145).

14857866455 is a wasteful number, since it uses less digits than its factorization.

14857866455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783.

The product of its digits is 32256000, while the sum is 59.

The spelling of 14857866455 in words is "fourteen billion, eight hundred fifty-seven million, eight hundred sixty-six thousand, four hundred fifty-five".

Divisors: 1 5 59 107 295 383 535 1229 1915 6145 6313 22597 31565 40981 72511 112985 131503 204905 362555 470707 657515 2353535 2417879 7758677 12089395 27771713 38793385 50365649 138858565 251828245 2971573291 14857866455