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53504200020 = 22353724100991
BaseRepresentation
bin110001110101000110…
…010100110101010100
312010002210120222100210
4301311012110311110
51334034033400040
640325100405420
73602612124225
oct616506246524
9163083528323
1053504200020
11207667a9427
12a452546870
135078a49c6b
142837ca324c
1515d2331480
hexc75194d54

53504200020 has 48 divisors (see below), whose sum is σ = 153860732928. Its totient is φ = 13882170240.

The previous prime is 53504200019. The next prime is 53504200103. The reversal of 53504200020 is 2000240535.

It is a self number, because there is not a number n which added to its sum of digits gives 53504200020.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12048276 + ... + 12052715.

It is an arithmetic number, because the mean of its divisors is an integer number (3205431936).

Almost surely, 253504200020 is an apocalyptic number.

It is an amenable number.

53504200020 is an abundant number, since it is smaller than the sum of its proper divisors (100356532908).

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

53504200020 is a wasteful number, since it uses less digits than its factorization.

53504200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24101040 (or 24101038 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

Adding to 53504200020 its reverse (2000240535), we get a palindrome (55504440555).

The spelling of 53504200020 in words is "fifty-three billion, five hundred four million, two hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 24100991 48201982 72302973 96403964 120504955 144605946 241009910 289211892 361514865 482019820 723029730 891736667 1446059460 1783473334 2675210001 3566946668 4458683335 5350420002 8917366670 10700840004 13376050005 17834733340 26752100010 53504200020