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53115452832 = 25313131324889
BaseRepresentation
bin110001011101111011…
…010111110110100000
312002002201002120110210
4301131323113312200
51332240023442312
640222332254120
73560151620421
oct613573276640
9162081076423
1053115452832
1120587319962
12a364311340
135016348540
1427dc3cb648
1515ad141e3c
hexc5ded7da0

53115452832 has 96 divisors (see below), whose sum is σ = 151299973440. Its totient is φ = 16218408960.

The previous prime is 53115452821. The next prime is 53115452843. The reversal of 53115452832 is 23825451135.

It is an interprime number because it is at equal distance from previous prime (53115452821) and next prime (53115452843).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044 + ... + 325932.

It is an arithmetic number, because the mean of its divisors is an integer number (1576041390).

Almost surely, 253115452832 is an apocalyptic number.

53115452832 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53115452832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75649986720).

53115452832 is an abundant number, since it is smaller than the sum of its proper divisors (98184520608).

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

53115452832 is a wasteful number, since it uses less digits than its factorization.

53115452832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325046 (or 325038 counting only the distinct ones).

The product of its digits is 144000, while the sum is 39.

The spelling of 53115452832 in words is "fifty-three billion, one hundred fifteen million, four hundred fifty-two thousand, eight hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 131 156 208 262 312 393 416 524 624 786 1048 1248 1572 1703 2096 3144 3406 4192 5109 6288 6812 10218 12576 13624 20436 27248 40872 54496 81744 163488 324889 649778 974667 1299556 1949334 2599112 3898668 4223557 5198224 7797336 8447114 10396448 12670671 15594672 16894228 25341342 31189344 33788456 42560459 50682684 67576912 85120918 101365368 127681377 135153824 170241836 202730736 255362754 340483672 405461472 510725508 553285967 680967344 1021451016 1106571934 1361934688 1659857901 2042902032 2213143868 3319715802 4085804064 4426287736 6639431604 8852575472 13278863208 17705150944 26557726416 53115452832