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160447443157 is a prime number
BaseRepresentation
bin1001010101101101101…
…0011011000011010101
3120100010212011121121201
42111123122123003111
510112044021140112
6201413013312501
714410015523131
oct2253332330325
9510125147551
10160447443157
11620554428a1
1227119635731
131218cb7c8a1
147aa11083c1
154290dc3257
hex255b69b0d5

160447443157 has 2 divisors, whose sum is σ = 160447443158. Its totient is φ = 160447443156.

The previous prime is 160447443139. The next prime is 160447443161. The reversal of 160447443157 is 751344744061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126911212516 + 33536230641 = 356246^2 + 183129^2 .

It is a cyclic number.

It is not a de Polignac number, because 160447443157 - 219 = 160446918869 is a prime.

It is a super-2 number, since 2×1604474431572 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (160447443127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80223721578 + 80223721579.

It is an arithmetic number, because the mean of its divisors is an integer number (80223721579).

Almost surely, 2160447443157 is an apocalyptic number.

It is an amenable number.

160447443157 is a deficient number, since it is larger than the sum of its proper divisors (1).

160447443157 is an equidigital number, since it uses as much as digits as its factorization.

160447443157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 160447443157 in words is "one hundred sixty billion, four hundred forty-seven million, four hundred forty-three thousand, one hundred fifty-seven".