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210053100168 = 2332540132
BaseRepresentation
bin1100001110100000100…
…0111111001010001000
3202002011221222002100200
43003220020333022020
511420142043201133
6240255210532200
721114211614642
oct3035010771210
9662157862320
10210053100168
11810a055414a
1234862437060
1316a6700bb62
14a249307892
1556e5d20913
hex30e823f288

210053100168 has 36 divisors (see below), whose sum is σ = 568904345685. Its totient is φ = 70016403744.

The previous prime is 210053100163. The next prime is 210053100197. The reversal of 210053100168 is 861001350012.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 164204869284 + 45848230884 = 405222^2 + 214122^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅BA, here for A=2, B=324078.

It is not an unprimeable number, because it can be changed into a prime (210053100163) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3861930 + ... + 3915942.

Almost surely, 2210053100168 is an apocalyptic number.

It is an amenable number.

210053100168 is an abundant number, since it is smaller than the sum of its proper divisors (358851245517).

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

210053100168 is an frugal number, since it uses more digits than its factorization.

210053100168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108038 (or 54018 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 210053100168 in words is "two hundred ten billion, fifty-three million, one hundred thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 54013 108026 162039 216052 324078 432104 486117 648156 972234 1296312 1944468 3888936 2917404169 5834808338 8752212507 11669616676 17504425014 23339233352 26256637521 35008850028 52513275042 70017700056 105026550084 210053100168