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2103130012 = 224311219913
BaseRepresentation
bin111110101011011…
…0011011110011100
312102120102002000011
41331112303132130
513301400130022
6544405213004
7103055211244
oct17526633634
95376362004
102103130012
1198a186785
124a8401164
13276945739
1415d462b24
15c4984977
hex7d5b379c

2103130012 has 12 divisors (see below), whose sum is σ = 3689019936. Its totient is φ = 1049124320.

The previous prime is 2103129991. The next prime is 2103130049. The reversal of 2103130012 is 2100313012.

It is a junction number, because it is equal to n+sod(n) for n = 2103129974 and 2103130001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 608233 + ... + 611680.

It is an arithmetic number, because the mean of its divisors is an integer number (307418328).

Almost surely, 22103130012 is an apocalyptic number.

It is an amenable number.

2103130012 is a deficient number, since it is larger than the sum of its proper divisors (1585889924).

2103130012 is a wasteful number, since it uses less digits than its factorization.

2103130012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220348 (or 1220346 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2103130012 is about 45859.8954643379. The cubic root of 2103130012 is about 1281.2150758452.

Adding to 2103130012 its reverse (2100313012), we get a palindrome (4203443024).

The spelling of 2103130012 in words is "two billion, one hundred three million, one hundred thirty thousand, twelve".

Divisors: 1 2 4 431 862 1724 1219913 2439826 4879652 525782503 1051565006 2103130012