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130506913453 = 727613499877
BaseRepresentation
bin111100110001011010…
…0010111011010101101
3110110212020210010011011
41321202310113122231
54114234232212303
6135542024025221
712300040314100
oct1714264273255
9413766703134
10130506913453
1150390828774
1221362602211
13c3cac0a617
146460940737
1535dc5e516d
hex1e62d176ad

130506913453 has 12 divisors (see below), whose sum is σ = 152013701052. Its totient is φ = 111716041920.

The previous prime is 130506913391. The next prime is 130506913483. The reversal of 130506913453 is 354319605031.

It can be written as a sum of positive squares in 2 ways, for example, as 11577114409 + 118929799044 = 107597^2 + 344862^2 .

It is not a de Polignac number, because 130506913453 - 217 = 130506782381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130506913483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1712650 + ... + 1787227.

It is an arithmetic number, because the mean of its divisors is an integer number (12667808421).

Almost surely, 2130506913453 is an apocalyptic number.

It is an amenable number.

130506913453 is a deficient number, since it is larger than the sum of its proper divisors (21506787599).

130506913453 is an equidigital number, since it uses as much as digits as its factorization.

130506913453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500652 (or 3500645 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 130506913453 in words is "one hundred thirty billion, five hundred six million, nine hundred thirteen thousand, four hundred fifty-three".

Divisors: 1 7 49 761 5327 37289 3499877 24499139 171493973 2663406397 18643844779 130506913453