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52156643300 = 2252895860297
BaseRepresentation
bin110000100100110001…
…110011011111100100
311222121212221000001122
4300210301303133210
51323304100041200
635543241513112
73524330103356
oct604461633744
9158555830048
1052156643300
112013507a093
12a1371a2798
134bc2800a18
14274ad230d6
151553d9a385
hexc24c737e4

52156643300 has 36 divisors (see below), whose sum is σ = 114451619940. Its totient is φ = 20628241920.

The previous prime is 52156643257. The next prime is 52156643303. The reversal of 52156643300 is 334665125.

52156643300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1595523136 + 50561120164 = 39944^2 + 224858^2 .

It is not an unprimeable number, because it can be changed into a prime (52156643303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2921249 + ... + 2939048.

It is an arithmetic number, because the mean of its divisors is an integer number (3179211665).

Almost surely, 252156643300 is an apocalyptic number.

52156643300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52156643300 is an abundant number, since it is smaller than the sum of its proper divisors (62294976640).

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

52156643300 is a wasteful number, since it uses less digits than its factorization.

52156643300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860400 (or 5860393 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 52156643300 in words is "fifty-two billion, one hundred fifty-six million, six hundred forty-three thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 89 100 178 356 445 890 1780 2225 4450 8900 5860297 11720594 23441188 29301485 58602970 117205940 146507425 293014850 521566433 586029700 1043132866 2086265732 2607832165 5215664330 10431328660 13039160825 26078321650 52156643300