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1302120130 = 25130212013
BaseRepresentation
bin100110110011100…
…1100011011000010
310100202011120000111
41031213030123002
510131320321010
6333112541534
744160560413
oct11547143302
93322146014
101302120130
11609016143
123040b18aa
131799cacac
14c4d1380a
15794ad58a
hex4d9cc6c2

1302120130 has 8 divisors (see below), whose sum is σ = 2343816252. Its totient is φ = 520848048.

The previous prime is 1302120119. The next prime is 1302120133. The reversal of 1302120130 is 310212031.

It can be written as a sum of positive squares in 2 ways, for example, as 1259753049 + 42367081 = 35493^2 + 6509^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1302120130.

It is not an unprimeable number, because it can be changed into a prime (1302120133) 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, 65105997 + ... + 65106016.

Almost surely, 21302120130 is an apocalyptic number.

1302120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1302120130 is a deficient number, since it is larger than the sum of its proper divisors (1041696122).

1302120130 is a wasteful number, since it uses less digits than its factorization.

1302120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130212020.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1302120130 is about 36084.9016903192. The cubic root of 1302120130 is about 1091.9858671752.

Adding to 1302120130 its reverse (310212031), we get a palindrome (1612332161).

The spelling of 1302120130 in words is "one billion, three hundred two million, one hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 130212013 260424026 651060065 1302120130