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155662150057 is a prime number
BaseRepresentation
bin1001000011111000101…
…1111110100110101001
3112212210100210112112221
42100332023332212221
510022244002300212
6155302112034041
714150311305241
oct2207613764651
9485710715487
10155662150057
116001a253307
1226202b32921
13118a96573cb
147769776b21
1540b0c2d807
hex243e2fe9a9

155662150057 has 2 divisors, whose sum is σ = 155662150058. Its totient is φ = 155662150056.

The previous prime is 155662150031. The next prime is 155662150073. The reversal of 155662150057 is 750051266551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118099446336 + 37562703721 = 343656^2 + 193811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-155662150057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155662149995 and 155662150022.

It is not a weakly prime, because it can be changed into another prime (155662160057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77831075028 + 77831075029.

It is an arithmetic number, because the mean of its divisors is an integer number (77831075029).

Almost surely, 2155662150057 is an apocalyptic number.

It is an amenable number.

155662150057 is a deficient number, since it is larger than the sum of its proper divisors (1).

155662150057 is an equidigital number, since it uses as much as digits as its factorization.

155662150057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315000, while the sum is 43.

The spelling of 155662150057 in words is "one hundred fifty-five billion, six hundred sixty-two million, one hundred fifty thousand, fifty-seven".