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52835143680 = 21232511223103
BaseRepresentation
bin110001001101001110…
…000101000000000000
312001101011122101121100
4301031032011000000
51331201244044210
640134440254400
73550206211524
oct611516050000
9161334571540
1052835143680
1120453074500
12a2a6471400
134ca0253237
1427b30a1d84
1515937225c0
hexc4d385000

52835143680 has 936 divisors, whose sum is σ = 212093691264. Its totient is φ = 12132679680.

The previous prime is 52835143667. The next prime is 52835143721. The reversal of 52835143680 is 8634153825.

52835143680 is a `hidden beast` number, since 5 + 28 + 3 + 514 + 36 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 512962509 + ... + 512962611.

It is an arithmetic number, because the mean of its divisors is an integer number (226595824).

Almost surely, 252835143680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52835143680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106046845632).

52835143680 is an abundant number, since it is smaller than the sum of its proper divisors (159258547584).

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

52835143680 is a wasteful number, since it uses less digits than its factorization.

52835143680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 52835143680 in words is "fifty-two billion, eight hundred thirty-five million, one hundred forty-three thousand, six hundred eighty".