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156356686133 is a prime number
BaseRepresentation
bin1001000110011110010…
…1011011000100110101
3112221120202200121221022
42101213211123010311
510030204302424013
6155455042230525
714203443621614
oct2214745330465
9487522617838
10156356686133
116034630056a
1226377655445
131198a5027bb
1477d3acb87b
154101bc2008
hex246795b135

156356686133 has 2 divisors, whose sum is σ = 156356686134. Its totient is φ = 156356686132.

The previous prime is 156356686037. The next prime is 156356686163. The reversal of 156356686133 is 331686653651.

156356686133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134995986724 + 21360699409 = 367418^2 + 146153^2 .

It is a cyclic number.

It is not a de Polignac number, because 156356686133 - 228 = 156088250677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (156356686163) 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, 78178343066 + 78178343067.

It is an arithmetic number, because the mean of its divisors is an integer number (78178343067).

Almost surely, 2156356686133 is an apocalyptic number.

It is an amenable number.

156356686133 is a deficient number, since it is larger than the sum of its proper divisors (1).

156356686133 is an equidigital number, since it uses as much as digits as its factorization.

156356686133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6998400, while the sum is 53.

The spelling of 156356686133 in words is "one hundred fifty-six billion, three hundred fifty-six million, six hundred eighty-six thousand, one hundred thirty-three".