Search a number
-
+
20125215150233 is a prime number
BaseRepresentation
bin1001001001101110001000…
…10011001101000010011001
32122020221200211212012100112
410210313010103031002121
510114212420034301413
6110445221325214105
74144666410155624
oct444670423150231
978227624765315
1020125215150233
11645a06831a776
122310499a01335
13b2ca51a89acb
144d80cc06cdbb
1524d782ae12a8
hex124dc44cd099

20125215150233 has 2 divisors, whose sum is σ = 20125215150234. Its totient is φ = 20125215150232.

The previous prime is 20125215150197. The next prime is 20125215150251. The reversal of 20125215150233 is 33205151252102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10508437355584 + 9616777794649 = 3241672^2 + 3101093^2 .

It is a cyclic number.

It is not a de Polignac number, because 20125215150233 - 26 = 20125215150169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20125215150233.

It is not a weakly prime, because it can be changed into another prime (20125215152233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10062607575116 + 10062607575117.

It is an arithmetic number, because the mean of its divisors is an integer number (10062607575117).

Almost surely, 220125215150233 is an apocalyptic number.

It is an amenable number.

20125215150233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20125215150233 is an equidigital number, since it uses as much as digits as its factorization.

20125215150233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 20125215150233 in words is "twenty trillion, one hundred twenty-five billion, two hundred fifteen million, one hundred fifty thousand, two hundred thirty-three".