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1420224220241 = 2309615081949
BaseRepresentation
bin10100101010101011111…
…101011100110001010001
312000202211212102122001222
4110222223331130301101
5141232104400021431
63004235245534425
7204415323455201
oct24525375346121
95022755378058
101420224220241
114a834a6022a2
121ab2ba274415
13a3c078990b8
144ca4c5ba401
1526e2391b57b
hex14aabf5cc51

1420224220241 has 4 divisors (see below), whose sum is σ = 1420839304500. Its totient is φ = 1419609135984.

The previous prime is 1420224220229. The next prime is 1420224220271.

1420224220241 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 800123094016 + 620101126225 = 894496^2 + 787465^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420224220241 - 222 = 1420220025937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420224220241.

It is not an unprimeable number, because it can be changed into a prime (1420224220271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307538666 + ... + 307543283.

It is an arithmetic number, because the mean of its divisors is an integer number (355209826125).

Almost surely, 21420224220241 is an apocalyptic number.

It is an amenable number.

1420224220241 is a deficient number, since it is larger than the sum of its proper divisors (615084259).

1420224220241 is an equidigital number, since it uses as much as digits as its factorization.

1420224220241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615084258.

The product of its (nonzero) digits is 4096, while the sum is 26.

The spelling of 1420224220241 in words is "one trillion, four hundred twenty billion, two hundred twenty-four million, two hundred twenty thousand, two hundred forty-one".

Divisors: 1 2309 615081949 1420224220241