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1342420313 = 13673153437
BaseRepresentation
bin101000000000011…
…1011010101011001
310110120000000110212
41100000323111121
510222124422223
6341112420505
745160245563
oct12000732531
93416000425
101342420313
11629841283
123156a7735
1318516b360
14ca404333
157ccbe278
hex5003b559

1342420313 has 8 divisors (see below), whose sum is σ = 1447840968. Its totient is φ = 1237307904.

The previous prime is 1342420309. The next prime is 1342420327. The reversal of 1342420313 is 3130242431.

It can be written as a sum of positive squares in 4 ways, for example, as 188595289 + 1153825024 = 13733^2 + 33968^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1342420313 - 22 = 1342420309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342420363) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 67970 + ... + 85467.

It is an arithmetic number, because the mean of its divisors is an integer number (180980121).

Almost surely, 21342420313 is an apocalyptic number.

1342420313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1342420313 is a deficient number, since it is larger than the sum of its proper divisors (105420655).

1342420313 is a wasteful number, since it uses less digits than its factorization.

1342420313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154123.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1342420313 is about 36639.0544774289. The cubic root of 1342420313 is about 1103.1371362991.

Adding to 1342420313 its reverse (3130242431), we get a palindrome (4472662744).

The spelling of 1342420313 in words is "one billion, three hundred forty-two million, four hundred twenty thousand, three hundred thirteen".

Divisors: 1 13 673 8749 153437 1994681 103263101 1342420313