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2100002001223 = 71915789488731
BaseRepresentation
bin11110100011110001110…
…111111001000101000111
321102202110202020212101011
4132203301313321011013
5233401301003014343
64244421054543051
7304502002330030
oct36436167710507
97382422225334
102100002001223
1173a673423495
1229abb2507a87
1312304c5c4969
14738d7cb1a87
153995c4b029d
hex1e8f1df9147

2100002001223 has 8 divisors (see below), whose sum is σ = 2526318197120. Its totient is φ = 1705264782840.

The previous prime is 2100002001179. The next prime is 2100002001241. The reversal of 2100002001223 is 3221002000012.

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 2100002001223 - 213 = 2100001993031 is a prime.

It is a super-3 number, since 3×21000020012233 (a number of 38 digits) contains 333 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 (2100002001263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7894744233 + ... + 7894744498.

It is an arithmetic number, because the mean of its divisors is an integer number (315789774640).

Almost surely, 22100002001223 is an apocalyptic number.

2100002001223 is a deficient number, since it is larger than the sum of its proper divisors (426316195897).

2100002001223 is a wasteful number, since it uses less digits than its factorization.

2100002001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15789488757.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 2100002001223 its reverse (3221002000012), we get a palindrome (5321004001235).

The spelling of 2100002001223 in words is "two trillion, one hundred billion, two million, one thousand, two hundred twenty-three".

Divisors: 1 7 19 133 15789488731 110526421117 300000285889 2100002001223