Search a number
-
+
1225142110 = 25122514211
BaseRepresentation
bin100100100000110…
…0010111101011110
310011101022200000201
41021001202331132
510002114021420
6321323014114
742234351613
oct11101427536
93141280021
101225142110
11579619445
122a236a33a
13166a8827a
14b89d650a
157285510a
hex49062f5e

1225142110 has 8 divisors (see below), whose sum is σ = 2205255816. Its totient is φ = 490056840.

The previous prime is 1225142099. The next prime is 1225142119. The reversal of 1225142110 is 112415221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225142119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61257096 + ... + 61257115.

It is an arithmetic number, because the mean of its divisors is an integer number (275656977).

Almost surely, 21225142110 is an apocalyptic number.

1225142110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1225142110 is a deficient number, since it is larger than the sum of its proper divisors (980113706).

1225142110 is a wasteful number, since it uses less digits than its factorization.

1225142110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122514218.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1225142110 is about 35002.0300839823. The cubic root of 1225142110 is about 1070.0288547260.

Adding to 1225142110 its reverse (112415221), we get a palindrome (1337557331).

The spelling of 1225142110 in words is "one billion, two hundred twenty-five million, one hundred forty-two thousand, one hundred ten".

Divisors: 1 2 5 10 122514211 245028422 612571055 1225142110