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202101122160 = 24325753756593
BaseRepresentation
bin1011110000111000101…
…0100110010001110000
3201022122202220202020200
42330032022212101300
511302400341402120
6232502144235200
720413153123410
oct2741612462160
9638582822220
10202101122160
117878a8a63a3
123320330bb00
131609a710a22
149ad3180640
1553ccb5de90
hex2f0e2a6470

202101122160 has 240 divisors, whose sum is σ = 790319934144. Its totient is φ = 45322887168.

The previous prime is 202101122141. The next prime is 202101122161. The reversal of 202101122160 is 61221101202.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202101122161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111177 + ... + 645416.

Almost surely, 2202101122160 is an apocalyptic number.

202101122160 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 202101122160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395159967072).

202101122160 is an abundant number, since it is smaller than the sum of its proper divisors (588218811984).

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

202101122160 is a wasteful number, since it uses less digits than its factorization.

202101122160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756672 (or 756663 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 202101122160 its reverse (61221101202), we get a palindrome (263322223362).

The spelling of 202101122160 in words is "two hundred two billion, one hundred one million, one hundred twenty-two thousand, one hundred sixty".