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628868616592 = 2480948583793
BaseRepresentation
bin10010010011010110111…
…11011001000110010000
32020010012221020201121011
421021223133121012100
540300410331212332
61200522004540304
763301644020656
oct11115337310620
92203187221534
10628868616592
11222779a37517
12a1a669b1694
13473c0804068
142261a340dd6
15115594b1e47
hex926b7d9190

628868616592 has 20 divisors (see below), whose sum is σ = 1219939067340. Its totient is φ = 314045631488.

The previous prime is 628868616577. The next prime is 628868616599. The reversal of 628868616592 is 295616868826.

It can be written as a sum of positive squares in 2 ways, for example, as 476740535296 + 152128081296 = 690464^2 + 390036^2 .

It is not an unprimeable number, because it can be changed into a prime (628868616599) 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, 24278953 + ... + 24304840.

It is an arithmetic number, because the mean of its divisors is an integer number (60996953367).

Almost surely, 2628868616592 is an apocalyptic number.

It is an amenable number.

628868616592 is a deficient number, since it is larger than the sum of its proper divisors (591070450748).

628868616592 is a wasteful number, since it uses less digits than its factorization.

628868616592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48584610 (or 48584604 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 67.

The spelling of 628868616592 in words is "six hundred twenty-eight billion, eight hundred sixty-eight million, six hundred sixteen thousand, five hundred ninety-two".

Divisors: 1 2 4 8 16 809 1618 3236 6472 12944 48583793 97167586 194335172 388670344 777340688 39304288537 78608577074 157217154148 314434308296 628868616592