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202571936868 = 223723414359473
BaseRepresentation
bin1011110010101000111…
…0100111010001100100
3201100212120211121121110
42330222032213101210
511304331403434433
6233021003345020
720430631024140
oct2745216472144
9640776747543
10202571936868
1178a01639464
1233314b22170
1316144117902
149b398da220
15540915e963
hex2f2a3a7464

202571936868 has 192 divisors, whose sum is σ = 590865149952. Its totient is φ = 52754042880.

The previous prime is 202571936857. The next prime is 202571936899. The reversal of 202571936868 is 868639175202.

202571936868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3376380 + ... + 3435852.

It is an arithmetic number, because the mean of its divisors is an integer number (3077422656).

Almost surely, 2202571936868 is an apocalyptic number.

202571936868 is a gapful number since it is divisible by the number (28) 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 202571936868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295432574976).

202571936868 is an abundant number, since it is smaller than the sum of its proper divisors (388293213084).

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

202571936868 is a wasteful number, since it uses less digits than its factorization.

202571936868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59594 (or 59592 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 202571936868 in words is "two hundred two billion, five hundred seventy-one million, nine hundred thirty-six thousand, eight hundred sixty-eight".