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628084293049 = 694790410867
BaseRepresentation
bin10010010001111001011…
…11011011110110111001
32020001012021101221222001
421020330233123312321
540242304034334144
61200312110101001
763243341255263
oct11107457336671
92201167357861
10628084293049
11222407233644
12a18881aa761
13472c717c6a5
14225840d6b33
15115106d4bd4
hex923cbdbdb9

628084293049 has 4 divisors (see below), whose sum is σ = 628174710864. Its totient is φ = 627993875236.

The previous prime is 628084293047. The next prime is 628084293061. The reversal of 628084293049 is 940392480826.

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, and also an emirpimes, since its reverse is a distinct semiprime: 940392480826 = 2470196240413.

It is a cyclic number.

It is not a de Polignac number, because 628084293049 - 21 = 628084293047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628084293047) 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, 45198487 + ... + 45212380.

It is an arithmetic number, because the mean of its divisors is an integer number (157043677716).

Almost surely, 2628084293049 is an apocalyptic number.

It is an amenable number.

628084293049 is a deficient number, since it is larger than the sum of its proper divisors (90417815).

628084293049 is an equidigital number, since it uses as much as digits as its factorization.

628084293049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90417814.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 628084293049 in words is "six hundred twenty-eight billion, eighty-four million, two hundred ninety-three thousand, forty-nine".

Divisors: 1 6947 90410867 628084293049