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210112001 = 11891571367
BaseRepresentation
bin11001000011000…
…00111000000001
3112122100210110222
430201200320001
5412242041001
632503232425
75130631301
oct1441407001
9478323428
10210112001
11a866a290
125a448715
13346b7b38
141dc95601
15136a561b
hexc860e01

210112001 has 16 divisors (see below), whose sum is σ = 233435520. Its totient is φ = 187524480.

The previous prime is 210111971. The next prime is 210112037. The reversal of 210112001 is 100211012.

It is not a de Polignac number, because 210112001 - 214 = 210095617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210112001.

It is not an unprimeable number, because it can be changed into a prime (210112081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153020 + ... + 154386.

It is an arithmetic number, because the mean of its divisors is an integer number (14589720).

Almost surely, 2210112001 is an apocalyptic number.

It is an amenable number.

210112001 is a deficient number, since it is larger than the sum of its proper divisors (23323519).

210112001 is a wasteful number, since it uses less digits than its factorization.

210112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 210112001 is about 14495.2406327042. The cubic root of 210112001 is about 594.4978471629.

Adding to 210112001 its reverse (100211012), we get a palindrome (310323013).

It can be divided in two parts, 210 and 112001, that added together give a palindrome (112211).

The spelling of 210112001 in words is "two hundred ten million, one hundred twelve thousand, one".

Divisors: 1 11 89 157 979 1367 1727 13973 15037 121663 153703 214619 1338293 2360809 19101091 210112001