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2194810000082 = 274213792
BaseRepresentation
bin11111111100000100110…
…111101101001011010010
321202211012002020020000022
4133330010313231023102
5241424432330000312
64400140511223442
7314366303120000
oct37740467551322
97684162206008
102194810000082
117768a5032257
122b5451517b82
1312bc7b55c27b
147832d571a70
153c15a9b9172
hex1ff04ded2d2

2194810000082 has 30 divisors (see below), whose sum is σ = 3840868625463. Its totient is φ = 940588859196.

The previous prime is 2194810000063. The next prime is 2194810000129. The reversal of 2194810000082 is 2800000184912.

It can be written as a sum of positive squares in only one way, i.e., 1097405000041 + 1097405000041 = 1047571^2 + 1047571^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1047571.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2194809999997 and 2194810000051.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 102651269 + ... + 102672647.

Almost surely, 22194810000082 is an apocalyptic number.

2194810000082 is a deficient number, since it is larger than the sum of its proper divisors (1646058625381).

2194810000082 is an frugal number, since it uses more digits than its factorization.

2194810000082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42788 (or 21388 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 35.

Adding to 2194810000082 its reverse (2800000184912), we get a palindrome (4994810184994).

The spelling of 2194810000082 in words is "two trillion, one hundred ninety-four billion, eight hundred ten million, eighty-two", and thus it is an aban number.

Divisors: 1 2 7 14 49 98 343 686 2401 4802 21379 42758 149653 299306 1047571 2095142 7332997 14665994 51330979 102661958 457061641 914123282 3199431487 6398862974 22396020409 44792040818 156772142863 313544285726 1097405000041 2194810000082