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212303149987500 = 223255112131770571
BaseRepresentation
bin110000010001011010101101…
…110101101111011010101100
31000211200222112112220010121200
4300101122231311233122230
5210311333322344100000
62031310415355525500
762501252653603545
oct6021325565573254
91024628475803550
10212303149987500
1161712295488700
121b989933459890
139160141287ba0
143a5d754c314cc
15198275ae8d500
hexc116add6f6ac

212303149987500 has 1296 divisors, whose sum is σ = 840733278813792. Its totient is φ = 44713152000000.

The previous prime is 212303149987493. The next prime is 212303149987531. The reversal of 212303149987500 is 5789941303212.

212303149987500 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 0 + 3 + 1 + 49 + 98 + 7 + 500 = 666.

It is a super-2 number, since 2×2123031499875002 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 3008327215 + ... + 3008397785.

It is an arithmetic number, because the mean of its divisors is an integer number (648713949702).

Almost surely, 2212303149987500 is an apocalyptic number.

212303149987500 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 212303149987500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420366639406896).

212303149987500 is an abundant number, since it is smaller than the sum of its proper divisors (628430128826292).

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

212303149987500 is a wasteful number, since it uses less digits than its factorization.

212303149987500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70658 (or 70622 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 212303149987500 in words is "two hundred twelve trillion, three hundred three billion, one hundred forty-nine million, nine hundred eighty-seven thousand, five hundred".