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53142684774 = 2331285713359
BaseRepresentation
bin110001011111100011…
…010000010001100110
312002011121100002200020
4301133203100101212
51332314011403044
640225144100010
73560632240014
oct613743202146
9162147302606
1053142684774
11205a07296a3
12a371464606
13501bb9160a
142801c798b4
1515b0720a19
hexc5f8d0466

53142684774 has 16 divisors (see below), whose sum is σ = 109713930240. Its totient is φ = 17142801480.

The previous prime is 53142684761. The next prime is 53142684779. The reversal of 53142684774 is 47748624135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53142684779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142856494 + ... + 142856865.

It is an arithmetic number, because the mean of its divisors is an integer number (6857120640).

Almost surely, 253142684774 is an apocalyptic number.

53142684774 is an abundant number, since it is smaller than the sum of its proper divisors (56571245466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53142684774 is a wasteful number, since it uses less digits than its factorization.

53142684774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285713395.

The product of its digits is 4515840, while the sum is 51.

The spelling of 53142684774 in words is "fifty-three billion, one hundred forty-two million, six hundred eighty-four thousand, seven hundred seventy-four".

Divisors: 1 2 3 6 31 62 93 186 285713359 571426718 857140077 1714280154 8857114129 17714228258 26571342387 53142684774