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2145234115 = 5716042913
BaseRepresentation
bin111111111011101…
…1010110011000011
312112111122011222101
41333313122303003
513343134442430
6552511451231
7104106121603
oct17767326303
95474564871
102145234115
11a00a24162
124ba526b17
13282597bcb
14164ca2c03
15c84eedca
hex7fddacc3

2145234115 has 8 divisors (see below), whose sum is σ = 2610538848. Its totient is φ = 1692015360.

The previous prime is 2145234101. The next prime is 2145234167. The reversal of 2145234115 is 5114325412.

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

It is not a de Polignac number, because 2145234115 - 29 = 2145233603 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3021102 + ... + 3021811.

It is an arithmetic number, because the mean of its divisors is an integer number (326317356).

Almost surely, 22145234115 is an apocalyptic number.

2145234115 is a deficient number, since it is larger than the sum of its proper divisors (465304733).

2145234115 is an equidigital number, since it uses as much as digits as its factorization.

2145234115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6042989.

The product of its digits is 4800, while the sum is 28.

The square root of 2145234115 is about 46316.6721062729. The cubic root of 2145234115 is about 1289.7085083430.

Adding to 2145234115 its reverse (5114325412), we get a palindrome (7259559527).

The spelling of 2145234115 in words is "two billion, one hundred forty-five million, two hundred thirty-four thousand, one hundred fifteen".

Divisors: 1 5 71 355 6042913 30214565 429046823 2145234115