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53258687764 = 2287649151909
BaseRepresentation
bin110001100110011101…
…110001010100010100
312002110200121122212021
4301212131301110110
51333033211002024
640244450302524
73563541243112
oct614635612424
9162420548767
1053258687764
1120650160437
12a3a4287a44
135039c19139
142813434ab2
1515ba9d6de4
hexc66771514

53258687764 has 12 divisors (see below), whose sum is σ = 93204380500. Its totient is φ = 26628864768.

The previous prime is 53258687761. The next prime is 53258687767. The reversal of 53258687764 is 46778685235.

It is an interprime number because it is at equal distance from previous prime (53258687761) and next prime (53258687767).

It can be written as a sum of positive squares in 2 ways, for example, as 30716067600 + 22542620164 = 175260^2 + 150142^2 .

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53258687761) 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 3 ways as a sum of consecutive naturals, for example, 274642 + ... + 426550.

Almost surely, 253258687764 is an apocalyptic number.

It is an amenable number.

53258687764 is a deficient number, since it is larger than the sum of its proper divisors (39945692736).

53258687764 is a wasteful number, since it uses less digits than its factorization.

53258687764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239562 (or 239560 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 61.

The spelling of 53258687764 in words is "fifty-three billion, two hundred fifty-eight million, six hundred eighty-seven thousand, seven hundred sixty-four".

Divisors: 1 2 4 87649 151909 175298 303818 350596 607636 13314671941 26629343882 53258687764