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49697519753 = 721014235097
BaseRepresentation
bin101110010010001100…
…111111100010001001
311202021111122120201202
4232102030333202021
51303240031113003
634455234153545
73406356643100
oct562214774211
9152244576652
1049697519753
111a092a55182
12976b7228b5
1348c01b402b
1425964b3037
15145d046088
hexb9233f889

49697519753 has 6 divisors (see below), whose sum is σ = 57811400586. Its totient is φ = 42597874032.

The previous prime is 49697519743. The next prime is 49697519761. The reversal of 49697519753 is 35791579694.

49697519753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48299731984 + 1397787769 = 219772^2 + 37387^2 .

It is not a de Polignac number, because 49697519753 - 210 = 49697518729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49697519753.

It is not an unprimeable number, because it can be changed into a prime (49697519743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 507117500 + ... + 507117597.

It is an arithmetic number, because the mean of its divisors is an integer number (9635233431).

Almost surely, 249697519753 is an apocalyptic number.

It is an amenable number.

49697519753 is a deficient number, since it is larger than the sum of its proper divisors (8113880833).

49697519753 is a wasteful number, since it uses less digits than its factorization.

49697519753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014235111 (or 1014235104 counting only the distinct ones).

The product of its digits is 64297800, while the sum is 65.

The spelling of 49697519753 in words is "forty-nine billion, six hundred ninety-seven million, five hundred nineteen thousand, seven hundred fifty-three".

Divisors: 1 7 49 1014235097 7099645679 49697519753