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52915397408 = 251653606169
BaseRepresentation
bin110001010010000000…
…001110001100100000
312001120202122201000122
4301102000032030200
51331332320204113
640150424335412
73552202312436
oct612200161440
9161522581018
1052915397408
11204943a92a5
12a309314568
134cb3a71c53
1427bd9d2d56
15159a7c6408
hexc5200e320

52915397408 has 12 divisors (see below), whose sum is σ = 104177188710. Its totient is φ = 26457698688.

The previous prime is 52915397407. The next prime is 52915397443. The reversal of 52915397408 is 80479351925.

It can be written as a sum of positive squares in only one way, i.e., 28295276944 + 24620120464 = 168212^2 + 156908^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52915397408.

It is not an unprimeable number, because it can be changed into a prime (52915397401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826803053 + ... + 826803116.

Almost surely, 252915397408 is an apocalyptic number.

It is an amenable number.

52915397408 is a deficient number, since it is larger than the sum of its proper divisors (51261791302).

52915397408 is a wasteful number, since it uses less digits than its factorization.

52915397408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653606179 (or 1653606171 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 52915397408 in words is "fifty-two billion, nine hundred fifteen million, three hundred ninety-seven thousand, four hundred eight".

Divisors: 1 2 4 8 16 32 1653606169 3307212338 6614424676 13228849352 26457698704 52915397408