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53283615372 = 223413171096827
BaseRepresentation
bin110001100111111100…
…110111001010001100
312002112102112010010000
4301213330313022030
51333111101142442
640251140444300
73564263154261
oct614774671214
9162472463100
1053283615372
1120663236969
12a3b06a9690
1350421363c0
142816883268
1515bccacd4c
hexc67f3728c

53283615372 has 240 divisors, whose sum is σ = 160313519520. Its totient is φ = 15286745088.

The previous prime is 53283615361. The next prime is 53283615377. The reversal of 53283615372 is 27351638235.

53283615372 is a `hidden beast` number, since 5 + 3 + 28 + 3 + 615 + 3 + 7 + 2 = 666.

It is a super-2 number, since 2×532836153722 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53283615377) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7801423 + ... + 7808249.

It is an arithmetic number, because the mean of its divisors is an integer number (667972998).

Almost surely, 253283615372 is an apocalyptic number.

53283615372 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 53283615372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80156759760).

53283615372 is an abundant number, since it is smaller than the sum of its proper divisors (107029904148).

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

53283615372 is a wasteful number, since it uses less digits than its factorization.

53283615372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982 (or 6971 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 53283615372 in words is "fifty-three billion, two hundred eighty-three million, six hundred fifteen thousand, three hundred seventy-two".