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252512154757157 is a prime number
BaseRepresentation
bin111001011010100010010001…
…010010010010100000100101
31020010001221000020011112011212
4321122202101102102200211
5231044124343104212112
62253014252113441205
7104121254410122221
oct7132422122224045
91203057006145155
10252512154757157
1173504892422669
12243a2669870205
13aab8a42601a89
14464d9212c5781
151e2d64994e522
hexe5a891492825

252512154757157 has 2 divisors, whose sum is σ = 252512154757158. Its totient is φ = 252512154757156.

The previous prime is 252512154757151. The next prime is 252512154757183. The reversal of 252512154757157 is 751757451215252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149693487635041 + 102818667122116 = 12234929^2 + 10139954^2 .

It is a cyclic number.

It is not a de Polignac number, because 252512154757157 - 234 = 252494974887973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252512154757096 and 252512154757105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252512154757151) 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, 126256077378578 + 126256077378579.

It is an arithmetic number, because the mean of its divisors is an integer number (126256077378579).

Almost surely, 2252512154757157 is an apocalyptic number.

It is an amenable number.

252512154757157 is a deficient number, since it is larger than the sum of its proper divisors (1).

252512154757157 is an equidigital number, since it uses as much as digits as its factorization.

252512154757157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34300000, while the sum is 59.

The spelling of 252512154757157 in words is "two hundred fifty-two trillion, five hundred twelve billion, one hundred fifty-four million, seven hundred fifty-seven thousand, one hundred fifty-seven".