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2100011211301 = 17123530071253
BaseRepresentation
bin11110100011110010011…
…011000001101000100101
321102202111101120210020011
4132203302123001220211
5233401310332230201
64244422024210221
7304502143526413
oct36436233015045
97382441523204
102100011211301
1173a678644123
1229abb5609971
1312305149ab03
14738d91cc2b3
153995d1ce151
hex1e8f26c1a25

2100011211301 has 4 divisors (see below), whose sum is σ = 2223541282572. Its totient is φ = 1976481140032.

The previous prime is 2100011211293. The next prime is 2100011211313. The reversal of 2100011211301 is 1031121100012.

It is a happy number.

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 1447714304100 + 652296907201 = 1203210^2 + 807649^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100011211301 - 23 = 2100011211293 is a prime.

It is a super-2 number, since 2×21000112113012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100011211101) 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, 61765035610 + ... + 61765035643.

It is an arithmetic number, because the mean of its divisors is an integer number (555885320643).

Almost surely, 22100011211301 is an apocalyptic number.

It is an amenable number.

2100011211301 is a deficient number, since it is larger than the sum of its proper divisors (123530071271).

2100011211301 is a wasteful number, since it uses less digits than its factorization.

2100011211301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123530071270.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 2100011211301 its reverse (1031121100012), we get a palindrome (3131132311313).

The spelling of 2100011211301 in words is "two trillion, one hundred billion, eleven million, two hundred eleven thousand, three hundred one".

Divisors: 1 17 123530071253 2100011211301