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2100401213 = 33120693067
BaseRepresentation
bin111110100110001…
…1001010000111101
312102101021102210112
41331030121100331
513300200314323
6544230515405
7103023054461
oct17514312075
95371242715
102100401213
11988692579
124a7505b65
132761cb671
1415cd524a1
15c45e6178
hex7d31943d

2100401213 has 8 divisors (see below), whose sum is σ = 2108452320. Its totient is φ = 2092361040.

The previous prime is 2100401209. The next prime is 2100401243. The reversal of 2100401213 is 3121040012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100401213 - 22 = 2100401209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100401243) 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 7 ways as a sum of consecutive naturals, for example, 683306 + ... + 686372.

It is an arithmetic number, because the mean of its divisors is an integer number (263556540).

Almost surely, 22100401213 is an apocalyptic number.

It is an amenable number.

2100401213 is a deficient number, since it is larger than the sum of its proper divisors (8051107).

2100401213 is a wasteful number, since it uses less digits than its factorization.

2100401213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5467.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2100401213 is about 45830.1343332092. The cubic root of 2100401213 is about 1280.6607129703.

Adding to 2100401213 its reverse (3121040012), we get a palindrome (5221441225).

The spelling of 2100401213 in words is "two billion, one hundred million, four hundred one thousand, two hundred thirteen".

Divisors: 1 331 2069 3067 684839 1015177 6345623 2100401213