Search a number
-
+
20870186332283 is a prime number
BaseRepresentation
bin1001011111011001110000…
…00010101111000001111011
32201220011121011120100100122
410233230320002233001323
510213414120200113113
6112215344203123455
74252551446554241
oct457547002570173
981804534510318
1020870186332283
116716aa6111022
12241094721358b
13b85086187c32
1452219dc60791
15262d34ce3408
hex12fb380af07b

20870186332283 has 2 divisors, whose sum is σ = 20870186332284. Its totient is φ = 20870186332282.

The previous prime is 20870186332271. The next prime is 20870186332297. The reversal of 20870186332283 is 38223368107802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20870186332283 - 214 = 20870186315899 is a prime.

It is not a weakly prime, because it can be changed into another prime (20870186332223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10435093166141 + 10435093166142.

It is an arithmetic number, because the mean of its divisors is an integer number (10435093166142).

Almost surely, 220870186332283 is an apocalyptic number.

20870186332283 is a deficient number, since it is larger than the sum of its proper divisors (1).

20870186332283 is an equidigital number, since it uses as much as digits as its factorization.

20870186332283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 20870186332283 in words is "twenty trillion, eight hundred seventy billion, one hundred eighty-six million, three hundred thirty-two thousand, two hundred eighty-three".