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2126422812385 = 52914664984913
BaseRepresentation
bin11110111100011000101…
…011010010011011100001
321112021200001200010200201
4132330120223102123201
5234314403214444020
64304510512345201
7306425511452014
oct36743053223341
97467601603621
102126422812385
1174a8a1272a13
122a4146845201
131256a02b5331
1474cc2c2737b
153a4a6c88a0a
hex1ef18ad26e1

2126422812385 has 8 divisors (see below), whose sum is σ = 2639697284520. Its totient is φ = 1642478310144.

The previous prime is 2126422812383. The next prime is 2126422812391. The reversal of 2126422812385 is 5832182246212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 833863011921 + 1292559800464 = 913161^2 + 1136908^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2126422812385 - 21 = 2126422812383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2126422812383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7332492312 + ... + 7332492601.

It is an arithmetic number, because the mean of its divisors is an integer number (329962160565).

Almost surely, 22126422812385 is an apocalyptic number.

It is an amenable number.

2126422812385 is a deficient number, since it is larger than the sum of its proper divisors (513274472135).

2126422812385 is a wasteful number, since it uses less digits than its factorization.

2126422812385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14664984947.

The product of its digits is 737280, while the sum is 46.

The spelling of 2126422812385 in words is "two trillion, one hundred twenty-six billion, four hundred twenty-two million, eight hundred twelve thousand, three hundred eighty-five".

Divisors: 1 5 29 145 14664984913 73324924565 425284562477 2126422812385