Search a number
-
+
30210142412309 is a prime number
BaseRepresentation
bin1101101111001110110001…
…10011101001111000010101
310221222001122202201101001212
412313213120303221320111
512424430332424143214
6144130203044231205
76235416330413336
oct667473063517025
9127861582641055
1030210142412309
11969805a8a6792
12347ab1769b505
1313b1a5babbc12
147662704a228d
15375c7d88c53e
hex1b79d8ce9e15

30210142412309 has 2 divisors, whose sum is σ = 30210142412310. Its totient is φ = 30210142412308.

The previous prime is 30210142412179. The next prime is 30210142412347. The reversal of 30210142412309 is 90321424101203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30121403960209 + 88738452100 = 5488297^2 + 297890^2 .

It is a cyclic number.

It is not a de Polignac number, because 30210142412309 - 228 = 30209873976853 is a prime.

It is a super-2 number, since 2×302101424123092 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30210142412369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105071206154 + 15105071206155.

It is an arithmetic number, because the mean of its divisors is an integer number (15105071206155).

Almost surely, 230210142412309 is an apocalyptic number.

It is an amenable number.

30210142412309 is a deficient number, since it is larger than the sum of its proper divisors (1).

30210142412309 is an equidigital number, since it uses as much as digits as its factorization.

30210142412309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 30210142412309 in words is "thirty trillion, two hundred ten billion, one hundred forty-two million, four hundred twelve thousand, three hundred nine".