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2012130213 = 35317537219
BaseRepresentation
bin111011111101110…
…1010101110100101
312012020011210202020
41313323222232211
513110101131323
6531354533353
7100601552562
oct16773525645
95166153666
102012130213
11942882235
12481a37259
13260b336c2
14151335869
15bb9abae3
hex77eeaba5

2012130213 has 16 divisors (see below), whose sum is σ = 2735398080. Its totient is φ = 1315177344.

The previous prime is 2012130187. The next prime is 2012130247. The reversal of 2012130213 is 3120312102.

It is not a de Polignac number, because 2012130213 - 29 = 2012129701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2012130192 and 2012130201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012130293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275118 + ... + 282336.

It is an arithmetic number, because the mean of its divisors is an integer number (170962380).

Almost surely, 22012130213 is an apocalyptic number.

It is an amenable number.

2012130213 is a deficient number, since it is larger than the sum of its proper divisors (723267867).

2012130213 is a wasteful number, since it uses less digits than its factorization.

2012130213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9028.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2012130213 is about 44856.7744382050. The cubic root of 2012130213 is about 1262.4631026435.

Adding to 2012130213 its reverse (3120312102), we get a palindrome (5132442315).

The spelling of 2012130213 in words is "two billion, twelve million, one hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 53 159 1753 5259 7219 21657 92909 278727 382607 1147821 12654907 37964721 670710071 2012130213