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152273664281 is a prime number
BaseRepresentation
bin1000110111010000110…
…1111011100100011001
3112120001012202121220202
42031310031323210121
54443324024224111
6153541545031545
714000324535044
oct2156415734431
9476035677822
10152273664281
1159640571842
12256181855b5
131148963343b
147527725c5b
153e634ecb3b
hex237437b919

152273664281 has 2 divisors, whose sum is σ = 152273664282. Its totient is φ = 152273664280.

The previous prime is 152273664269. The next prime is 152273664289. The reversal of 152273664281 is 182466372251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115968172681 + 36305491600 = 340541^2 + 190540^2 .

It is an emirp because it is prime and its reverse (182466372251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152273664281 - 210 = 152273663257 is a prime.

It is a super-2 number, since 2×1522736642812 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (152273664289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76136832140 + 76136832141.

It is an arithmetic number, because the mean of its divisors is an integer number (76136832141).

Almost surely, 2152273664281 is an apocalyptic number.

It is an amenable number.

152273664281 is a deficient number, since it is larger than the sum of its proper divisors (1).

152273664281 is an equidigital number, since it uses as much as digits as its factorization.

152273664281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 47.

The spelling of 152273664281 in words is "one hundred fifty-two billion, two hundred seventy-three million, six hundred sixty-four thousand, two hundred eighty-one".