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1131420302 = 21022355337
BaseRepresentation
bin100001101110000…
…0001101010001110
32220211222002212122
41003130001222032
54304120422202
6304134132542
740015625315
oct10334015216
92824862778
101131420302
11530725901
12276ab1152
1315053228c
14aa39b27c
15694e09a2
hex43701a8e

1131420302 has 8 divisors (see below), whose sum is σ = 1697327136. Its totient is φ = 565644592.

The previous prime is 1131420293. The next prime is 1131420337. The reversal of 1131420302 is 2030241311.

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

It is a super-2 number, since 2×11314203022 = 2560223799555542408, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 7223 + ... + 48114.

It is an arithmetic number, because the mean of its divisors is an integer number (212165892).

Almost surely, 21131420302 is an apocalyptic number.

1131420302 is a deficient number, since it is larger than the sum of its proper divisors (565906834).

1131420302 is a wasteful number, since it uses less digits than its factorization.

1131420302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65562.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1131420302 is about 33636.5917120032. The cubic root of 1131420302 is about 1042.0166436212.

Adding to 1131420302 its reverse (2030241311), we get a palindrome (3161661613).

The spelling of 1131420302 in words is "one billion, one hundred thirty-one million, four hundred twenty thousand, three hundred two".

Divisors: 1 2 10223 20446 55337 110674 565710151 1131420302