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2130015407 = 13712307709
BaseRepresentation
bin111111011110101…
…0111010010101111
312111102222222211112
41332331113102233
513330240443112
6551205342235
7103532555312
oct17675272257
95442888745
102130015407
119a337a113
124b540797b
1327c399b60
14162c60979
15c6ee5a22
hex7ef574af

2130015407 has 8 divisors (see below), whose sum is σ = 2326171680. Its totient is φ = 1938474720.

The previous prime is 2130015379. The next prime is 2130015413. The reversal of 2130015407 is 7045100312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2130015407 - 224 = 2113238191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130014407) 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, 1152932 + ... + 1154777.

It is an arithmetic number, because the mean of its divisors is an integer number (290771460).

Almost surely, 22130015407 is an apocalyptic number.

2130015407 is a deficient number, since it is larger than the sum of its proper divisors (196156273).

2130015407 is a wasteful number, since it uses less digits than its factorization.

2130015407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307793.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2130015407 is about 46152.0899526771. The cubic root of 2130015407 is about 1286.6514534684.

Adding to 2130015407 its reverse (7045100312), we get a palindrome (9175115719).

The spelling of 2130015407 in words is "two billion, one hundred thirty million, fifteen thousand, four hundred seven".

Divisors: 1 13 71 923 2307709 30000217 163847339 2130015407