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124340313187 is a prime number
BaseRepresentation
bin111001111001101000…
…0101001110001100011
3102212221111020100212201
41303303100221301203
54014122110010222
6133042100234031
711661161136466
oct1636320516143
9385844210781
10124340313187
1148806957712
122012139b917
13b95747cb1c
1460379652dd
15337b04e427
hex1cf3429c63

124340313187 has 2 divisors, whose sum is σ = 124340313188. Its totient is φ = 124340313186.

The previous prime is 124340313161. The next prime is 124340313239. The reversal of 124340313187 is 781313043421.

It is a weak prime.

It is an emirp because it is prime and its reverse (781313043421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-124340313187 is a prime.

It is not a weakly prime, because it can be changed into another prime (124340313287) 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, 62170156593 + 62170156594.

It is an arithmetic number, because the mean of its divisors is an integer number (62170156594).

Almost surely, 2124340313187 is an apocalyptic number.

124340313187 is a deficient number, since it is larger than the sum of its proper divisors (1).

124340313187 is an equidigital number, since it uses as much as digits as its factorization.

124340313187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 124340313187 in words is "one hundred twenty-four billion, three hundred forty million, three hundred thirteen thousand, one hundred eighty-seven".