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210257168468512 = 2511103337103116691
BaseRepresentation
bin101111110011101001001111…
…110101101000101000100000
31000120110101111120201002122211
4233303221033311220220200
5210024323140111443022
62023102450523211504
762200402432621024
oct5763511765505040
91016411446632584
10210257168468512
1160aa3623231060
121b6b92b8376b94
139042220676419
1439cc703616384
1519494112e1e77
hexbf3a4fd68a20

210257168468512 has 192 divisors, whose sum is σ = 457783260899328. Its totient is φ = 94265547264000.

The previous prime is 210257168468507. The next prime is 210257168468539. The reversal of 210257168468512 is 215864861752012.

It is a super-4 number, since 4×2102571684685124 (a number of 58 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12597030087 + ... + 12597046777.

It is an arithmetic number, because the mean of its divisors is an integer number (2384287817184).

Almost surely, 2210257168468512 is an apocalyptic number.

210257168468512 is a gapful number since it is divisible by the number (22) 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 210257168468512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228891630449664).

210257168468512 is an abundant number, since it is smaller than the sum of its proper divisors (247526092430816).

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

210257168468512 is a wasteful number, since it uses less digits than its factorization.

210257168468512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18183 (or 18175 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 58.

The spelling of 210257168468512 in words is "two hundred ten trillion, two hundred fifty-seven billion, one hundred sixty-eight million, four hundred sixty-eight thousand, five hundred twelve".