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2130201213 = 37638915877
BaseRepresentation
bin111111011111000…
…0100101001111101
312111110100102201020
41332332010221331
513330312414323
6551213334353
7103534261110
oct17676045175
95443312636
102130201213
119a3496778
124b54973b9
1327c4335ba
14162cac577
15c7030ae3
hex7ef84a7d

2130201213 has 16 divisors (see below), whose sum is σ = 3246733440. Its totient is φ = 1216990656.

The previous prime is 2130201211. The next prime is 2130201217. The reversal of 2130201213 is 3121020312.

It is not a de Polignac number, because 2130201213 - 21 = 2130201211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2130201192 and 2130201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130201211) 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, 126231 + ... + 142107.

It is an arithmetic number, because the mean of its divisors is an integer number (202920840).

Almost surely, 22130201213 is an apocalyptic number.

It is an amenable number.

2130201213 is a deficient number, since it is larger than the sum of its proper divisors (1116532227).

2130201213 is a wasteful number, since it uses less digits than its factorization.

2130201213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22276.

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

The square root of 2130201213 is about 46154.1028837090. The cubic root of 2130201213 is about 1286.6888648737.

Adding to 2130201213 its reverse (3121020312), we get a palindrome (5251221525).

The spelling of 2130201213 in words is "two billion, one hundred thirty million, two hundred one thousand, two hundred thirteen".

Divisors: 1 3 7 21 6389 15877 19167 44723 47631 111139 134169 333417 101438153 304314459 710067071 2130201213