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210310000002 = 23211683888889
BaseRepresentation
bin1100001111011101110…
…0111110110110000010
3202002211212100221200100
43003313130332312002
511421203330000002
6240340505103230
721123451335024
oct3036734766602
9662755327610
10210310000002
118121256a863
1234914487b16
1316aa82c8cab
14a27149c014
15570d66911c
hex30f773ed82

210310000002 has 12 divisors (see below), whose sum is σ = 455671666710. Its totient is φ = 70103333328.

The previous prime is 210309999983. The next prime is 210310000009. The reversal of 210310000002 is 200000013012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 180880940601 + 29429059401 = 425301^2 + 171549^2 .

It is a super-2 number, since 2×2103100000022 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (210310000009) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5841944427 + ... + 5841944462.

Almost surely, 2210310000002 is an apocalyptic number.

210310000002 is an abundant number, since it is smaller than the sum of its proper divisors (245361666708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210310000002 is a wasteful number, since it uses less digits than its factorization.

210310000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11683888897 (or 11683888894 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 210310000002 its reverse (200000013012), we get a palindrome (410310013014).

The spelling of 210310000002 in words is "two hundred ten billion, three hundred ten million, two", and thus it is an aban number.

Divisors: 1 2 3 6 9 18 11683888889 23367777778 35051666667 70103333334 105155000001 210310000002