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212027505120 = 25345291633461
BaseRepresentation
bin1100010101110111010…
…0101111100111100000
3202021021120011020210000
43011131310233213200
511433213020130440
6241223141140000
721214145025414
oct3053564574740
9667246136700
10212027505120
1181a13aa9882
12351136ba600
1316cc0094202
14a39561cd44
1557ae329730
hex315dd2f9e0

212027505120 has 480 divisors, whose sum is σ = 779057183520. Its totient is φ = 54240399360.

The previous prime is 212027505097. The next prime is 212027505127. The reversal of 212027505120 is 21505720212.

212027505120 is a `hidden beast` number, since 2 + 12 + 0 + 27 + 505 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212027505127) 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, 61260190 + ... + 61263650.

It is an arithmetic number, because the mean of its divisors is an integer number (1623035799).

Almost surely, 2212027505120 is an apocalyptic number.

212027505120 is a gapful number since it is divisible by the number (20) 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 212027505120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389528591760).

212027505120 is an abundant number, since it is smaller than the sum of its proper divisors (567029678400).

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

212027505120 is a wasteful number, since it uses less digits than its factorization.

212027505120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680 (or 3663 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The spelling of 212027505120 in words is "two hundred twelve billion, twenty-seven million, five hundred five thousand, one hundred twenty".