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210001012019 = 1714207869501
BaseRepresentation
bin1100001110010100001…
…0010010010100110011
3202002001022221201211222
43003211002102110303
511420040224341034
6240250110255255
721113010102311
oct3034502222463
9662038851758
10210001012019
1181074107597
1234848ab752b
1316a592a2176
14a2424290b1
1556e148212e
hex30e5092533

210001012019 has 8 divisors (see below), whose sum is σ = 222369919488. Its totient is φ = 197633872000.

The previous prime is 210001011991. The next prime is 210001012051. The reversal of 210001012019 is 910210100012.

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 210001012019 - 28 = 210001011763 is a prime.

It is a super-2 number, since 2×2100010120192 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210001011988 and 210001012006.

It is not an unprimeable number, because it can be changed into a prime (210001012079) 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, 193232 + ... + 676269.

It is an arithmetic number, because the mean of its divisors is an integer number (27796239936).

Almost surely, 2210001012019 is an apocalyptic number.

210001012019 is a deficient number, since it is larger than the sum of its proper divisors (12368907469).

210001012019 is a wasteful number, since it uses less digits than its factorization.

210001012019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883725.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 210001012019 in words is "two hundred ten billion, one million, twelve thousand, nineteen".

Divisors: 1 17 14207 241519 869501 14781517 12353000707 210001012019