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114678502781 = 166768793343
BaseRepresentation
bin110101011001101011…
…1110001010101111101
3101222000010211112122212
41222303113301111331
53334330144042111
6124403234150205
711166561122153
oct1526327612575
9358003745585
10114678502781
11446a9030537
121a285722365
13aa77871c4b
14579c6b73d3
152eb2be598b
hex1ab35f157d

114678502781 has 4 divisors (see below), whose sum is σ = 114747297792. Its totient is φ = 114609707772.

The previous prime is 114678502759. The next prime is 114678502793. The reversal of 114678502781 is 187205876411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 187205876411 = 1716291090759.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-114678502781 is a prime.

It is a super-3 number, since 3×1146785027813 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (114678502751) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 34395005 + ... + 34398338.

It is an arithmetic number, because the mean of its divisors is an integer number (28686824448).

Almost surely, 2114678502781 is an apocalyptic number.

It is an amenable number.

114678502781 is a deficient number, since it is larger than the sum of its proper divisors (68795011).

114678502781 is an equidigital number, since it uses as much as digits as its factorization.

114678502781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68795010.

The product of its (nonzero) digits is 752640, while the sum is 50.

The spelling of 114678502781 in words is "one hundred fourteen billion, six hundred seventy-eight million, five hundred two thousand, seven hundred eighty-one".

Divisors: 1 1667 68793343 114678502781