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807215235841 = 7115316462263
BaseRepresentation
bin10111011111100011100…
…01110000001100000001
32212011120012212200211201
423233301301300030001
5101211134100021331
61414455103541201
7112214355203020
oct13576161601401
92764505780751
10807215235841
11291379a58223
1211053a8ba801
135b173a426b1
142b0d870c8b7
1515ee6974a61
hexbbf1c70301

807215235841 has 4 divisors (see below), whose sum is σ = 922531698112. Its totient is φ = 691898773572.

The previous prime is 807215235829. The next prime is 807215235887. The reversal of 807215235841 is 148532512708.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 807215235841 - 221 = 807213138689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 807215235791 and 807215235800.

It is not an unprimeable number, because it can be changed into a prime (807215265841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57658231125 + ... + 57658231138.

It is an arithmetic number, because the mean of its divisors is an integer number (230632924528).

Almost surely, 2807215235841 is an apocalyptic number.

It is an amenable number.

807215235841 is a deficient number, since it is larger than the sum of its proper divisors (115316462271).

807215235841 is a wasteful number, since it uses less digits than its factorization.

807215235841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115316462270.

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 807215235841 in words is "eight hundred seven billion, two hundred fifteen million, two hundred thirty-five thousand, eight hundred forty-one".

Divisors: 1 7 115316462263 807215235841