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210112001010001 = 1091927633036789
BaseRepresentation
bin101111110001100010000011…
…001011101110100101010001
31000112221111210121112010110101
4233301202003023232211101
5210014433334224310001
62022512042024532401
762154043153602016
oct5761420313564521
91015844717463411
10210112001010001
1160a47aa9a63952
121b695144021101
13903162735328c
1439c56919b570d
151945766adba01
hexbf18832ee951

210112001010001 has 4 divisors (see below), whose sum is σ = 212039634046900. Its totient is φ = 208184367973104.

The previous prime is 210112001009923. The next prime is 210112001010019. The reversal of 210112001010001 is 100010100211012.

210112001010001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48674621958400 + 161437379051601 = 6976720^2 + 12705801^2 .

It is a cyclic number.

It is not a de Polignac number, because 210112001010001 - 227 = 210111866792273 is a prime.

It is a super-2 number, since 2×2101120010100012 (a number of 29 digits) contains 22 as substring.

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 210112001010001.

It is not an unprimeable number, because it can be changed into a prime (210112001010061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963816518286 + ... + 963816518503.

It is an arithmetic number, because the mean of its divisors is an integer number (53009908511725).

Almost surely, 2210112001010001 is an apocalyptic number.

It is an amenable number.

210112001010001 is a deficient number, since it is larger than the sum of its proper divisors (1927633036899).

210112001010001 is a wasteful number, since it uses less digits than its factorization.

210112001010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927633036898.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210112001010001 its reverse (100010100211012), we get a palindrome (310122101221013).

The spelling of 210112001010001 in words is "two hundred ten trillion, one hundred twelve billion, one million, ten thousand, one".

Divisors: 1 109 1927633036789 210112001010001