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20014451706461 = 83510614722547
BaseRepresentation
bin1001000110011111110100…
…10010001100101001011101
32121212100210112220021000012
410203033322102030221131
510110404044114101321
6110322302344213005
74133665525344602
oct443177222145135
977770715807005
1020014451706461
116417099237aa3
1222b2b2746a165
13b2247c369234
144d29c17186a9
1524a94d99305b
hex1233fa48ca5d

20014451706461 has 8 divisors (see below), whose sum is σ = 20255990661984. Its totient is φ = 19772922298320.

The previous prime is 20014451706443. The next prime is 20014451706551. The reversal of 20014451706461 is 16460715441002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20014451706461 is a prime.

It is a super-2 number, since 2×200144517064612 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014451706061) 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 7 ways as a sum of consecutive naturals, for example, 1876790 + ... + 6599336.

It is an arithmetic number, because the mean of its divisors is an integer number (2531998832748).

Almost surely, 220014451706461 is an apocalyptic number.

It is an amenable number.

20014451706461 is a deficient number, since it is larger than the sum of its proper divisors (241538955523).

20014451706461 is an equidigital number, since it uses as much as digits as its factorization.

20014451706461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773691.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 20014451706461 in words is "twenty trillion, fourteen billion, four hundred fifty-one million, seven hundred six thousand, four hundred sixty-one".

Divisors: 1 83 51061 4238063 4722547 391971401 241137972367 20014451706461