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83080000857647 = 372523223019789
BaseRepresentation
bin10010111000111110010001…
…111100000110011000101111
3101220011101000002211221112202
4102320332101330012120233
541342140320204421042
6452410231524052115
723333221604340443
oct2270762174063057
9356141002757482
1083080000857647
11245210376582a2
12939956423403b
133748544a373c1
1416731447aa823
1599117c76a632
hex4b8f91f0662f

83080000857647 has 4 divisors (see below), whose sum is σ = 83080224249960. Its totient is φ = 83079777465336.

The previous prime is 83080000857611. The next prime is 83080000857673. The reversal of 83080000857647 is 74675800008038.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 83080000857647 - 28 = 83080000857391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83080000857592 and 83080000857601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83080000857547) 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, 111137372 + ... + 111882417.

It is an arithmetic number, because the mean of its divisors is an integer number (20770056062490).

Almost surely, 283080000857647 is an apocalyptic number.

83080000857647 is a deficient number, since it is larger than the sum of its proper divisors (223392313).

83080000857647 is a wasteful number, since it uses less digits than its factorization.

83080000857647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223392312.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 83080000857647 in words is "eighty-three trillion, eighty billion, eight hundred fifty-seven thousand, six hundred forty-seven".

Divisors: 1 372523 223019789 83080000857647