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2130312413 = 26960113177
BaseRepresentation
bin111111011111001…
…1111110011011101
312111110120002020202
41332332133303131
513330324444123
6551215553245
7103535233235
oct17676376335
95443502222
102130312413
119a3562279
124b552b825
1327c4720b8
14162cdacc5
15c7053a28
hex7ef9fcdd

2130312413 has 8 divisors (see below), whose sum is σ = 2141952120. Its totient is φ = 2118700800.

The previous prime is 2130312389. The next prime is 2130312419. The reversal of 2130312413 is 3142130312.

It can be written as a sum of positive squares in 4 ways, for example, as 308986084 + 1821326329 = 17578^2 + 42677^2 .

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 2130312413 - 224 = 2113535197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130312419) 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, 155081 + ... + 168257.

It is an arithmetic number, because the mean of its divisors is an integer number (267744015).

Almost surely, 22130312413 is an apocalyptic number.

It is an amenable number.

2130312413 is a deficient number, since it is larger than the sum of its proper divisors (11639707).

2130312413 is a wasteful number, since it uses less digits than its factorization.

2130312413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14047.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2130312413 is about 46155.3075279539. The cubic root of 2130312413 is about 1286.7112535744.

Adding to 2130312413 its reverse (3142130312), we get a palindrome (5272442725).

The spelling of 2130312413 in words is "two billion, one hundred thirty million, three hundred twelve thousand, four hundred thirteen".

Divisors: 1 269 601 13177 161669 3544613 7919377 2130312413