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159410943169 = 3992632
BaseRepresentation
bin1001010001110110100…
…0011111010011000001
3120020110121210221221021
42110131220133103001
510102433200140134
6201122105425441
714342231442232
oct2243550372301
9506417727837
10159410943169
116167335a035
1226a8a49b281
1312056202c9a
147a035b9089
15422edd20b4
hex251da1f4c1

159410943169 has 3 divisors (see below), whose sum is σ = 159411342433. Its totient is φ = 159410543906.

The previous prime is 159410943157. The next prime is 159410943173. The reversal of 159410943169 is 961349014951.

The square root of 159410943169 is 399263.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 961349014951 = 1373949924227.

It is a de Polignac number, because none of the positive numbers 2k-159410943169 is a prime.

It is a super-2 number, since 2×1594109431692 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159410943149) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 199632 + ... + 598894.

Almost surely, 2159410943169 is an apocalyptic number.

159410943169 is the 399263-rd square number.

159410943169 is the 199632-nd centered octagonal number.

It is an amenable number.

159410943169 is a deficient number, since it is larger than the sum of its proper divisors (399264).

159410943169 is an frugal number, since it uses more digits than its factorization.

159410943169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798526 (or 399263 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 52.

The spelling of 159410943169 in words is "one hundred fifty-nine billion, four hundred ten million, nine hundred forty-three thousand, one hundred sixty-nine".

Divisors: 1 399263 159410943169