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1220314135 = 55310743037
BaseRepresentation
bin100100010111100…
…1000010000010111
310011001020101021211
41020233020100113
54444400023020
6321031322251
742145333105
oct11057102027
93131211254
101220314135
11576921087
122a0820387
13165a87891
14b80dac75
15721ee85a
hex48bc8417

1220314135 has 16 divisors (see below), whose sum is σ = 1505985696. Its totient is φ = 948857728.

The previous prime is 1220314097. The next prime is 1220314153. The reversal of 1220314135 is 5314130221.

It is a happy number.

It is not a de Polignac number, because 1220314135 - 29 = 1220313623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6837 + ... + 49873.

It is an arithmetic number, because the mean of its divisors is an integer number (94124106).

Almost surely, 21220314135 is an apocalyptic number.

1220314135 is a deficient number, since it is larger than the sum of its proper divisors (285671561).

1220314135 is a wasteful number, since it uses less digits than its factorization.

1220314135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43202.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1220314135 is about 34932.9949331574. The cubic root of 1220314135 is about 1068.6214333678.

Adding to 1220314135 its reverse (5314130221), we get a palindrome (6534444356).

The spelling of 1220314135 in words is "one billion, two hundred twenty million, three hundred fourteen thousand, one hundred thirty-five".

Divisors: 1 5 53 107 265 535 5671 28355 43037 215185 2280961 4604959 11404805 23024795 244062827 1220314135