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156161222153 is a prime number
BaseRepresentation
bin1001000101101111101…
…1110010011000001001
3112221002010220000202122
42101123323302120021
510024304233102103
6155423420541025
714165551326026
oct2213373623011
9487063800678
10156161222153
1160255a36592
12263220b1775
1311958b76041
1477b5b6a54d
1540de961b38
hex245bef2609

156161222153 has 2 divisors, whose sum is σ = 156161222154. Its totient is φ = 156161222152.

The previous prime is 156161222099. The next prime is 156161222209. The reversal of 156161222153 is 351222161651.

156161222153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151622235769 + 4538986384 = 389387^2 + 67372^2 .

It is a cyclic number.

It is not a de Polignac number, because 156161222153 - 210 = 156161221129 is a prime.

It is not a weakly prime, because it can be changed into another prime (156161222753) 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, 78080611076 + 78080611077.

It is an arithmetic number, because the mean of its divisors is an integer number (78080611077).

Almost surely, 2156161222153 is an apocalyptic number.

It is an amenable number.

156161222153 is a deficient number, since it is larger than the sum of its proper divisors (1).

156161222153 is an equidigital number, since it uses as much as digits as its factorization.

156161222153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The spelling of 156161222153 in words is "one hundred fifty-six billion, one hundred sixty-one million, two hundred twenty-two thousand, one hundred fifty-three".