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2681490296845 = 51931910523021
BaseRepresentation
bin100111000001010101010…
…001101101000000001101
3100111100101200001220101201
4213001111101231000031
5322413143003444340
65411505403105501
7364505554310323
oct47012521550015
910440350056351
102681490296845
11944239403548
12373835812291
13165b2bccc229
1493adb7a7d13
1549b4209879a
hex2705546d00d

2681490296845 has 16 divisors (see below), whose sum is σ = 3496408404480. Its totient is φ = 1966729723200.

The previous prime is 2681490296843. The next prime is 2681490296857. The reversal of 2681490296845 is 5486920941862.

It is not a de Polignac number, because 2681490296845 - 21 = 2681490296843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681490296843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455258566 + ... + 455264455.

It is an arithmetic number, because the mean of its divisors is an integer number (218525525280).

Almost surely, 22681490296845 is an apocalyptic number.

It is an amenable number.

2681490296845 is a deficient number, since it is larger than the sum of its proper divisors (814918107635).

2681490296845 is a wasteful number, since it uses less digits than its factorization.

2681490296845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910523076.

The product of its (nonzero) digits is 59719680, while the sum is 64.

The spelling of 2681490296845 in words is "two trillion, six hundred eighty-one billion, four hundred ninety million, two hundred ninety-six thousand, eight hundred forty-five".

Divisors: 1 5 19 31 95 155 589 2945 910523021 4552615105 17299937399 28226213651 86499686995 141131068255 536298059369 2681490296845