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53230312040 = 2353142927671
BaseRepresentation
bin110001100100110001…
…100001101001101000
312002101201020000200112
4301210301201221220
51333003424441130
640241554153452
73563045121053
oct614461415150
9162351200615
1053230312040
112063613a324
12a396882888
135034092579
14280d769a9a
1515b827e495
hexc64c61a68

53230312040 has 32 divisors (see below), whose sum is σ = 123631695360. Its totient is φ = 20605281600.

The previous prime is 53230312007. The next prime is 53230312081. The reversal of 53230312040 is 4021303235.

It is a super-2 number, since 2×532303120402 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53230311997 and 53230312015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21462596 + ... + 21465075.

It is an arithmetic number, because the mean of its divisors is an integer number (3863490480).

Almost surely, 253230312040 is an apocalyptic number.

It is an amenable number.

53230312040 is an abundant number, since it is smaller than the sum of its proper divisors (70401383320).

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

53230312040 is a wasteful number, since it uses less digits than its factorization.

53230312040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42927713 (or 42927709 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 53230312040 its reverse (4021303235), we get a palindrome (57251615275).

The spelling of 53230312040 in words is "fifty-three billion, two hundred thirty million, three hundred twelve thousand, forty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 42927671 85855342 171710684 214638355 343421368 429276710 858553420 1330757801 1717106840 2661515602 5323031204 6653789005 10646062408 13307578010 26615156020 53230312040